双语例句
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For repair welding on general grey cast iron weldment.
用于强度要求不高的灰口铸铁件的焊补。
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The same type of electrode shall be used for the weldment;
原则上采用与焊接该焊件相同的焊材；
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It is more usual to complete the weldment first and then to galvanize it.
所以常用的方法是先把钢板焊起来再镀锌。
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It is more usual to complete the weldment first and then to galvanize it.
常用的方法是先把钢板焊起来再镀锌。