中壓 PE 管遭釘損洩漏瓦斯，最佳暫時止漏方式為(A)以削尖之木塞釘入止漏(B)以黏土堵塞止漏(C)橡膠內胎捆紮(D)止氣夾止氣。

問題詳情

1. 中壓 PE 管遭釘損洩漏瓦斯，最佳暫時止漏方式為
(A)以削尖之木塞釘入止漏
(B)以黏土堵塞止漏
(C)橡膠內胎捆紮
(D)止氣夾止氣。

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