watertight seal

watertight seal door is set on the dock and there is waterway out of the door.

该土坞设有止水密封坞门，该门外设航道。

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。

discussion on the technological transformation of watertight seal of the discus type butterfly's valve

浅谈铁饼型蝴蝶阀止水密封技术改造

then wrap the inlet pipes with teflon tape to ensure a watertight seal.

用生料带缠绕进水管，以保证密封不漏水。

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。

a muscular flap covers the blowhole, making a watertight seal when dolphins dive.

一肌皮瓣复盖气孔，使止水当海豚下潜。

The axis seals uses the mechanical seal, is watertight, durable.

轴封采用机械密封, 滴水不漏, 经久耐用.