... 双层底 double bottom tank 底边舱 lower side tank 顶边舱 top side tank ...
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The lower part of the tank is a side tapered structure, and the top wall of the tank is provided with a repair hole with a sealing cover.
所述罐体下 部为侧锥体结构，在罐体顶壁上设置有带有密封盖的维修口。
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