... 底板 backpanel 底封 underseal 底座引线 晶体管的nstem lead ...
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... 钢制安全壳底封头 CVBH 防蚀涂层 底封 underseal 罐底双重封缝机 bottom double seaming machine ...
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underseal spray gun 车底密封喷枪
同义词： undercoat
以上来源于: WordNet
N a coating of a tar or rubber-based material applied to the underside of a motor vehicle to retard corrosion (给车底涂的)防水材料 (US name undercoat)
V to apply a coating of underseal to (a motor vehicle) (给车底)涂防水材料
The underseal is a kind of waterproof material to coat the bottom of the car.
底封是一种涂在汽车底部的防水材料。
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