Kev paub txog cov nyom dag, cov lus teb ntxaws ntxaws heev

Cov khoom siv ntawm cov nyom dag yog dab tsi?

Cov ntaub ntawv ntawm cov nyom dagFeem ntau yog PE (polyethylene), PP (polypropylene), PA (nylon). Polyethylene (PE) muaj kev ua tau zoo thiab pej xeem lees txais dav; Polypropylene (PP): Cov nyom fiber yog qhov nyuaj thiab feem ntau yog tsim rau cov chaw ua si ntaus pob tesniv, chaw ua si basketball, thiab lwm yam; Nylon: Nws kim heev thiab feem ntau siv rau hauv cov chaw siab xws li golf.

Yuav ua li cas kom paub qhov txawv ntawm cov nyom dag?

Tsos: Xim kaj lug tsis muaj qhov sib txawv ntawm xim; Cov noob nyom tiaj tus, nrog rau cov pob sib npaug thiab zoo sib xws; Cov nplaum siv rau hauv qab yog qhov nruab nrab thiab nkag mus rau hauv qab, ua rau tag nrho tiaj tus, sib nrug ntawm koob sib npaug, thiab tsis muaj cov xov hla lossis tsis tau xaws;

Kev xav ntawm tes: Cov noob nyom yog mos thiab du thaum combed los ntawm tes, nrog elasticity zoo thaum maj mam nias los ntawm xib teg, thiab hauv qab tsis yooj yim rau rhuav;

Cov nyom silk: Lub mesh huv si thiab tsis muaj burrs; Lub qhov txiav yog tiaj tus yam tsis muaj qhov ntsws loj;

Lwm cov ntaub ntawv: Xyuas seb puas siv cov ntaub ntawv zoo rau cov kua nplaum thiab hauv qab.

Lub neej ua haujlwm ntawm cov nyom dag ntev npaum li cas?

Lub neej ua haujlwm ntawm cov nyom dagmuaj feem cuam tshuam rau lub sijhawm thiab qhov hnyav ntawm kev tawm dag zog, nrog rau lub hnub ci thiab cov duab ultraviolet. Cov cheeb tsam sib txawv thiab lub sijhawm siv tuaj yeem cuam tshuam rau lub neej ua haujlwm ntawm cov nyom dag. Yog li lub neej ua haujlwm ntawm cov nyom dag raug cuam tshuam los ntawm ntau yam, thiab lub neej ua haujlwm kuj txawv.

Yuav tsum muaj cov khoom siv dab tsi los ua kom cov nyom dag nyob hauv thaj chaw ua si football? Koj puas xav tau cov khoom siv no los yuav cov nyom dag?

Cov khoom siv ua vaj nyom dagsuav nrog kua nplaum, daim kab xev txuas, kab dawb, cov khoom me me, xuab zeb quartz, thiab lwm yam; Tab sis tsis yog txhua qhov kev yuav nyom dag yuav tsum tau cov no. Feem ntau, cov nyom dag ua si tsuas yog xav tau kua nplaum thiab daim kab xev txuas, tsis tas yuav muaj cov khoom me me dub lossis xuab zeb quartz.

Yuav ua li cas ntxuav cov nyom dag?

Yog tias nws tsuas yog cov hmoov av uas ntab xwb, ces dej nag ntuj tuaj yeem ntxuav nws. Txawm li cas los xij, txawm hais tias cov chaw ua si nyom dag feem ntau txwv tsis pub pov tseg, ntau hom khib nyiab yeej tsim tawm thaum siv tiag tiag. Yog li ntawd, kev saib xyuas cov chaw ua si football yuav tsum suav nrog kev ntxuav tas li. Lub tshuab nqus tsev uas tsim nyog tuaj yeem tswj cov khib nyiab me me xws li ntawv txiav, plhaub txiv hmab txiv ntoo, thiab lwm yam. Tsis tas li ntawd, txhuam tuaj yeem siv los tshem tawm cov khib nyiab ntau dhau, ceev faj kom tsis txhob cuam tshuam rau cov khoom seem.

Qhov sib nrug ntawm kab ntawm cov nyom dag yog dab tsi?

Qhov nrug ntawm kab yog qhov nrug ntawm cov kab ntawm cov kab nyom, feem ntau ntsuas hauv nti. Hauv qab 1 nti = 2.54cm, muaj ntau yam khoom siv nrug ntawm kab: 3/4, 3/8, 3/16, 5/8, 1/2 nti. (Piv txwv li, qhov nrug ntawm 3/4 txhais tau tias 3/4 * 2.54cm = 1.905cm; qhov nrug ntawm 5/8 txhais tau tias 5/8 * 2.54cm = 1.588cm)

Tus lej koob ntawm cov nyom dag txhais li cas?

Tus naj npawb ntawm cov koob hauv cov nyom dag txhais tau tias tus naj npawb ntawm cov koob rau txhua 10cm. Ntawm ib chav ntawm txhua 10cm. Qhov siab ntawm cov koob tib yam, qhov muaj ntau cov koob, qhov ceev ntawm cov nyom siab dua. Ntawm qhov tsis sib xws, nws tsawg dua.

Cov khoom siv ntawm cov nyom dag siv ntau npaum li cas?

Feem ntau, nws tuaj yeem sau nrog 25kg quartz xuab zeb + 5kg roj hmab me me / square meter; Cov kua nplaum yog 14kg ib lub thoob, nrog rau kev siv ib lub thoob rau txhua 200 square meters

Yuav ua li cas kom pave cov nyom dag?

Cov nyom dagTxoj kev paving tuaj yeem muab rau cov neeg ua haujlwm paving kom ua tiav. Tom qab cov nyom raug nplaum ua ke nrog daim kab xev splicing, nias rau ntawm qhov khoom hnyav thiab tos kom nws khov thiab cua qhuav ua ntej nws khov kho thiab tuaj yeem txav mus los tau yooj yim.

Qhov ceev ntawm cov nyom dag yog dab tsi? Yuav ua li cas xam?

Qhov ceev ntawm cov nyom dag yog ib qho cim qhia tseem ceeb ntawm cov nyom dag, uas yog hais txog tus naj npawb ntawm cov koob txhaj tshuaj ib square meter. Piv txwv li, yog tias qhov nrug ntawm 20 stitches / 10CM, yog tias nws yog 3/4 kab sib nrug (1.905cm), tus naj npawb ntawm cov kab ib 'meter' yog 52.5 (kab = ib 'meter' / kab sib nrug; 100cm / 1.905cm = 52.5), thiab tus naj npawb ntawm cov stitches ib 'meter' yog 200, ces qhov ceev ntawm pawg = kab * stitches (52.5 * 200 = 10500); Yog li 3/8, 3/16, 5/8, 5/16 thiab lwm yam, 21000, 42000, 12600, 25200, thiab lwm yam.

Cov lus qhia ntawm cov nyom dag yog dab tsi? Qhov hnyav yog dab tsi? Txoj kev ntim khoom yog li cas?

Tus qauv txheem yog 4 * 25 (4 meters dav thiab 25 meters ntev), nrog rau lub hnab PP dub ntim rau ntawm lub ntim sab nraud.