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某侧面直角角焊缝hf=4mm,由计算得到该焊缝所需计算长度30mm,考虑起落弧缺陷,设计时该焊缝实际长度取为( )。

单选题
2021-09-01 23:00
A、30mm
B、38mm
C、40mm
D、50mm
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正确答案
D

试题解析

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