并列断续角
参考答案:
焊缝T形接头两侧互相对称布置、长度基本相等的断续角焊缝。
the coming English speech competition will be a lot of work, so I need some volunteers to help out.
A.Organize
B.Organizing
C.Organized
D.Being organized
电磁式电压互感器励磁特性测量,与同一批次、同一型号的其它电磁式电压互感器相比,差异>30%,进行诊断性试验,根据试验结果做相应处理,必要时开展()检修,更换电压互感器。
A.A类
B.B类
C.C类
D.D类