<form id="cwq74"></form>

<input id="cwq74"></input>

單項選擇題

（） is the production of pure water from sea water by evaporation and re-condensing.

A.Evaporation
B.Circulation
C.Condensation
D.Distillation

你可能感興趣的試題

單項選擇題

Which of the following can be used in hydraulic transmission system?（）

A.Hydraulic oil
B.Animal oil
C.Light oil
D.Fuel oil

單項選擇題

（） play a very important part in hydraulic systems by preventing interaction between different parts of the hydraulic circuit.

A.Motors
B.Check valves
C.Safety valves
D.Reducing valve

感谢您访问我们的网站，您可能还对以下资源感兴趣：

中文字幕网国产

国产一级特黄a大片亚洲浮力影院久久久久久亚洲第一二三区日韩国产国产精品第不卡国产视频第一页

<label id="ssjln"></label><input id="ssjln"><legend id="ssjln"></legend></input>

<small id="ssjln"></small>

<strong id="ssjln"></strong>