密封垫圈的主要作用是防止气体泄漏。
The primary function of sealing gasket is to prevent gas from leakage.
动力启动方轴传动装置。销法兰。无油密封垫圈。
Power take - off, squared shaft drive. two stud flange without oil seal gasket.
真空电炸锅的锅盖内有一个密封垫圈，起到密封作用。
A sealing washer is provided inside the pot cover of the vacuum electric frying pan, exerting a sealing function.
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