Seal cover over the heat exchanger airtight with butyl adhesive.

用丁基合成橡胶粘合胶将罩盖密封在热交换器上。

She drew a cover over the typewriter.

她拿过罩子将打字机套上.

She drew a cover over the typewriter .

她拿过罩子将打字机套上。

They cover over13% of the continents.

占大陆面积的13％。

A safety pin has a cover over its point.

安全)别针的顶上有一个盖儿.

They put a cover over the piano to protect it.

他们给钢琴套上套子以保护它.

Close the zip and fold the dust cover over .

拉上拉链，折叠防尘罩。

Position clutch cover over disc and on flywheel.

把离合器盖板放在离合器片和飞轮上.

A plate used to cover over or close in a chamber or receptacle .

一种用于盖住或封住房间或容器的盖子。

The mountain is rich in trees and grass, which have been found to cover over 90% of the mountain.

山上绿树苍翠、芳草茵茵，森林覆盖率达到90%以上。