Daim ntawv no qhia txog cov tswv yim kev tsim kho ntawm electroplating li qub
Daim ntawv no qhia txog cov tswv yim ntawm kev txhim kho electroplating li qub Peb yuan ethylene propylene hluav taws yeeb nkab daim npav sealing roj hmab nplhaib, 63-65 Shaw A, 15MPA, tsis tu ncua siab tsawg dua 25% ntawm cov nqi tsim nyog. Kua (gas, liqui...
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