简洁的机台及控制设计维修方便。
Smart machine and controlling design are convenient to repair.
外露坚固件均采用 不锈钢,为防掉式设计维修方便。
AII the exposed fastening pieces are made of stainless steel and of anti-lost type, which be convenient ly to maintenance.
干的船坞和一个潜艇模型。这个船坞是设计用来维修的。
The dry dock and a model of the submarine. This dock was designed for repairing.
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