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【空調版】毎日一問20171230

2017-12-30View Original

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屋外の給排水管の設置において、溝を掘る形態には、直溝、混合溝、複合溝( )などが主にある。 A. クリップ形状の溝 B. 梯形の溝 C. 深く掘られた溝 D. 広い面を持つ溝 正解:B
Reply #22017-12-31
屋外の給排水管の設置において、溝を掘る形態には主に、直溝、混合溝、組合せ溝(B)がある。 A. キュービック溝 B. 梯形溝 C. 深掘り溝 D. 広面溝

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