Xov xwm
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Ua hauj lwm hauv paus ntsiab lus ntawm ntau yam hluav taws kub sprinkler taub hau
Lub iav pob sprinkler yog qhov tseem ceeb thermal rhiab heev nyob rau hauv lub tshuab tsis siv neeg sprinkler. Lub khob iav yog ntim nrog cov organic daws nrog sib txawv expansion coefficients. Tom qab thermal expansion ntawm qhov sib txawv ntawm qhov kub thiab txias, lub khob pob tawg, thiab cov dej ntws hauv cov raj xa dej hauv ...Nyeem ntxiv