steam tight 中文意思是什麼
steam tight
解釋
不漏汽的-
It is developed specially for steam maintenance concrete and pump water - tight concrete, with its technical characteristics up to the national concrete additive quality standard
本產品通過直接化學反應及由反應產生的機械推動力松動和破壞堵塞物,如每月定期使用可預防管道堵塞和清除自臭味。
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