問題詳情
11. PE管於刮除氧化膜後融接前,應清潔融接面,下列何種材料最適合清潔PE管?
(A)自來水
(B)純水
(C)松香水
(D)酒精
(A)自來水
(B)純水
(C)松香水
(D)酒精
參考答案
答案:D
難度:簡單0.748299
統計:A(18),B(7),C(12),D(110),E(0)
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