... 裂缝 crack 止裂孔 stopper hole 船舶修理单 repair list ...
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marine umbrella type hole stopper 船用伞形堵漏器
rubber stopper with double hole 双孔橡皮塞
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An object, such as a cork or a wad of cloth, used to fill a hole tightly; a stopper.
塞子;栓子:用来填紧洞孔的物体,如软木塞或一团布;塞子。
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