upper box 上箱体
- Will you please reserve me an upper box for tomorrow?
请给我留一个明天楼上的包厢好吗? - Drain lubricating oil first and remove the connecting bolt &suspend it from the upper box while the disassembly of gear box is required.
当减速箱需要拆开时,必须先放掉润滑油,然后拆掉联接螺栓,吊离上箱体。 - The problem of transforming lower and upper box dimensions into lower and upper limits of sequences is studied. The former results are improved.
研究了上、下盒维数转换为序列上、下极限的问题,改进了前人的有关研究结果。
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