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1. 自來水配水管的漏水試驗,必須維持幾分鐘以上,且其漏水量不超過規定方為合格(A)60(B)120(C)15(D)30。
問題詳情
1. 自來水配水管的漏水試驗,必須維持幾分鐘以上,且其漏水量不超過規定方為合格
(A)60
(B)120
(C)15
(D)30。
參考答案
答案:A
難度:
非常簡單
0.86
書單:
沒有書單,新增
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