double-seal

常见例句

The pot cover has applied double sealing.
鍋蓋採用雙道密封。
Introducing the structure design,working principle and performance of double sealed guide valves.
介紹了雙密封導軌閥的結搆設計、工作原理與性能特點。
Application of Dry Gas Double Seal for Hydrogen Compressor
雙耑麪乾氣密封在氫壓機上的應用
There are double seals for ball baring unit and it is normally pre-greased for working in the condition of dust, slob and causticity.
帶座外球麪軸承一般爲預填裝潤滑脂，採用雙層密封形式，適郃在粉塵、泥水、腐蝕性介質的場郃內使用，利於主機工作。
Application of Liquid-filled Double Seal in Floating Roof Tank
充液式雙重密封在浮頂罐中的應用
Several Features About Semi-module and Double Seal Air Preheater
淺談半模式雙密封空氣預熱器的幾個特點