非接触式密封 [机] non-contact seal ; contact seal
接触式密封 contact seal
旋转式密封 rotating seal
迷宫式密封 [机] labyrinth seal ; [机] labyrinth packing ; labyrinth gland seal ; labyrinth type seal
阀控式密封铅酸蓄电池 VRLA ; VALVE REGULATED SEALED LEAD-ACID BATTERY ; VRLA battery ; vrla batteries
波纹管式密封 [机] bellows seal
锁紧式密封总成 anchor seal assembly
回转式密封装置 rotating seal
膜片式密封流量计 diaphragm seal flowmeter
论述了管式密封基本原理和基本构成。
Described are basic principle and construction of tubular seal.
标准“21型”机械式密封，有利于降低更换成本。
Mechanical seals are standard "Type 21" design for low replacement cost.
灯具采用曲路式密封结构，具有较强的防水、防尘性能。
The lamp adopts curve sealed structure, with performances of strong waterproof and dust proof.
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