工业机械师和维修工在第二行业中可以交叉培训，如管件，焊接，机械加工或电器维修。
Industrial mechanics and mill wrights may be cross-trained in a second trade such as pipefitting, welding, machining or electrical maintenance.
一旦正确的路线和角度已经实现，交叉成员焊接准备。一个坚实的鱼片应该管焊接周围人的整个圆周每个交叉。
Once the proper alignments and angles have been achieved, the cross-members are ready for welding. A solid fillet should be welded around the entire circumference of each cross-member tube.
圆钢的交叉连接触应焊接牢固。
The cross connection point of the round steel should weld fastness.
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