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1、长孔焊slot weld 什么意思?
2、The main hull shall be longitudinally framed extensively,however,ends of hull may be framed longitudinally and/or transversely to suit the construction of the structure, whilst single skin in way of cargo holds will transversely framed. 什么意思? 是在描述加强材的方向么? single skin什么意思?
3、船体检查里的ND test 什么意思?
4、说higher tensile steel使用量不能超过船体总重的75%,出于什么考虑?
5、无人机舱状态下,航速是多少?
6、惯性起停怎么个过程?惯性停车还好说,惯性启动怎么意思? |
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