polyvinyl chloride tube 中文意思是什麼
polyvinyl chloride tube
解釋
聚氯乙烯管-
Several means are available for protection of polyvinyl chloride ( pvc ) tube from fire, but they are not perfect in prevention of tires caused by laser beam
雖然有很多防護措施可以用來保護氣管內管,但總是無法提供非常完全的保護。
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