Steel moulds are vital for the production of the segments of shield tunnels.
管片钢模是盾构管片生产的关键性因素。
The case of control system is made of thin steel sheet, which is good at shield.
控制柜体采用薄钢板制成,具有良好的屏蔽作用。
The fracture during ER70S-6 wire rod drawing of gas shield welding wire steel is analysed.
对ER70S - 6气保焊丝钢在拉拔过程中的断裂问题进行分析。
The steel pin base also acts as a termite shield.
这些钢钉基座同时也是一块防蚁板。
The steel pin base also acts as a termite shield.
这些钢钉基座同时也是一块防蚁板。
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