blower watertight cover 通风机水密盖
Quick acting watertight hatch cover 快速启闭水密舱口盖
watertight hatch cover 水密舱口盖
Ask the Scaffolding Contractors Totallinksto provide you with a watertight cover.
问阿什福德的脚手架承包商提供一个水密掩护你。
Folds of skin cover their eyes and ears to prevent water from entering, and the nostrils close with a watertight seal.
皮肤的皱褶盖住它们的眼睛和耳朵，防止进水，它们的鼻子内有可关闭的防水封垫。
With the dust cover closed and latched, the through connector interface has an IP65 rating thereby providing a watertight seal.
防尘盖封闭，锁存，通过连接器接口具有IP65防护等级，从而提供了一个水密封口。
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