During the ship building and repairing, the electrical current will cause electrical corrosion to the hull of ship because of the unsuitable connection between the welding machine and welded parts.
在造船和修船的过程中由于电焊机和被焊件之间的连接不当，造成了电流对船体的腐蚀，严重时可能造成船体穿孔。
It has vital significance for enhancing the ship building and repairing technology to apply the value engineering, which can improve the quality simultaneously to reduce the cost.
将价值工程引入船舶修造中可在提高质量的同时降低成本，这对提高船舶的修造技术具有重要的意义。
In the ship building and repairing industry, scraped of various slide bearing is a hard work including heavy labor intensity, overloaded work, high technique required.
在修造船行业中，各种滑动轴承的拂刮是一项劳动强度繁重，工作量大，技术要求高的艰苦工作。
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