And when you quickly pull apart a pair of ceramic - or clay - tiles with fluid between them, it causes a lot of damage to the surface of the tiles.

当人们迅速地将中间含有液体的两块陶瓷片分开时，陶瓷片表面受到了巨大损害。

youdao

A pair meshes mutually the gear and the fluid cylinder and discharge the suction chamber the cavity to separate.

一对相互啮合的齿轮和泵缸把吸入腔和排出腔隔开。

youdao