Cov ncauj lus kom ntxaws piav qhia ntawm cov kauj ruam xeem rau emulsified asphalt kis tau ntau
I. Npaj ua ntej xeem /
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1. Raws li kev tsim kho cov kev tsim kho, txiav txim siab cov ntawv tso cai asphaltification inclhalification index thiab cov qauv ntsuas, thiab xaiv cov lus sim tsim nyog./
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2. Npaj cov cuab yeej yuav tsum tau ua thiab reagents, suav nrog cov nplai hauv hluav taws xob, cov thawv rau, cov thawv, stirrels, burettes, thiab lwm yam
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3. Npaj cov ntawv xeem raws li cov tseev kom muaj kev xeem, thiab ntsuas lawv nyob hauv cov kab ke los ua kom cov qauv uas muaj txiaj ntsig.
Kawm Dua
2025-06-11
