Cov qauv pov tseg ntawm cov hlua khi ntawm lub tshuab nqa khoom yog dab tsi?

1. Cov tub ntxhais fiber ntaucov hlua hlausiv rau cov hlau cam khwb cia thiab cov hlau log grooves tuaj yeem pom tau rau tus lej ntawm cov hauv paus hniav ntawm cov xov hlau tawg (SO4344: 2004 cov cai tswjfwm)

2. Hauv "Kev Tshuaj Xyuas Kev Saib Xyuas Lub Tshuab Nqa Khoom thiab Cov Cai Tshuaj Xyuas Tsis Tu Ncua thiab Kev Tsav Tsheb Nqa Khoom Yuav Tsum Tau Ua", ib qho ntawm cov xwm txheej hauv qab no yuav tsum tau muab pov tseg thaum dai cov hlua hlau thiab cov hlua hlau them nyiaj:

① Kev cuam tshuam ntawm lub tawb, kev rho tawm ntawm cov hlua khi, kev sib ntswg, kev sib tsoo ib nrab, thiab kev khoov.

②Cov hlau tawg tawg tshwm sim hauv tag nrho cov hlau hlua, thiab tus lej ntawm cov hlau tawg ntawm ib qho khoom lag luam hauv qhov deb ntswj yog ntau dua 4; Cov hlau hlua nrog 6 feem) lossis ntau dua 16 (rau cov hlau hlua nrog 8 feem);

③ Lub txoj kab uas hla ntawm txoj hlua hnav tom qab txoj hlua hnav yog tsawg dua 90% ntawm lub txoj kab uas hla ntawm txoj hlua hlau. Yog tias siv lwm hom khoom siv ncua, qhov hnav thiab deformation ntawm lub cuab yeej ncua yuav tsum tsis pub tshaj qhov ntsuas pov tseg uas tau teeb tsa los ntawm chav tsim khoom.

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