Traditionally, the integral casted sternpost is positioned according to engine′s axes after completing subassembly on the berth. This technology is executed difficultly and needs large berth period.
My apologies if this post sounds very stern, but YOUR SAFETY online is OUR main priority.
如果这贴听起来太严厉了,我很抱歉,但你在网路上的安全是我们最优先考虑的问题。
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About the 15th of May the keel of the new vessel lay along the dockyard, and soon the stem and stern-post, mortised at each of its extremities, rose almost perpendicularly.