The upward pressure of displaced water is called（）.

[名词解释] 水汽压（water-vapour pressure）

[单选题]Oil pressure in the lubrication system is （） the static sea water head to ensure that sea water （） the stem-tube.A . lower than；can lubricateB . lower than；can coolC . higher than；can enterD . higher than ；cannot enter

[单选题]A．s for turbine oil, contact with water in the form of steam will be inevitable so good______properties will be essentialA．defrostingB．de-oilingC．demulsifyingD．dehumidifying

[单选题]— I wonder ________ you’ll water this kind of flower .——Every other day.A． how often B. how longC. how soonD. how much

[单选题]I AM MAKING WATER.的中文意思是（）.A .我船正在进水B .我船正在下沉C .我船正在上浪D .我船遭遇大风浪

[单选题]_________[A] upward [B] forward [C] afterward [D] backward

[单选题]I WEN TAGROUND AT HIGH WATER.的中文意思是（）.A .我在高潮时着陆B .我在高潮搁浅C .一涨潮我便着陆了D .涨潮时我已登岸

[问答题]()I don't want to spend five dollars on a cup of water.

[单选题]To me, music is food and water. I can't live without it. I know this is not

[单选题]To me, music is food and water. I can't live without it. I know this is not