The liquid-position sensor working principle of brake-used oil tank, structural design of floater products, mold design, foam material as well as foam forming process are introduced.

介绍了刹车油箱液位传感器工作原理、浮子产品结构设计、模具设计、发泡材料用料、发泡成型工艺等方面内容。

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The emergency drainage device is an important device in floating roof tank, used to drain the overloaded water accumulated on the floating roof to ensure a safety for oil tank.

浮顶油罐紧急排水装置是浮顶油罐上的一个重要的附件，其主要作用是排出浮顶上的超载积水，保证油罐浮顶的使用安全。

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Three major oil unloading methods used in tank trains are introduced. They are vacuum system, sliding vane pump, and submersible pump unloading.

介绍了轻油铁路卸车主要采用的三种方式，即真空系统接卸、滑片泵(转子泵)接卸和潜油泵接卸。

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