电杆的起吊捆绑点应在()。
A.低于杆子重心
B.杆子中心
C.杆子重心
D.高于杆子重心
参考答案:D
汉译英:“毛重;净重;公重”,正确的翻译为:()。
A.gross weight;clean weight;dry weight
B.total weight;clean weight;dry weight
C.gross weight;net weight;conditioned weight
D.total weight;net weight;conditioned weight
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