真空泵抽空压气机 vacuum pump compressor
箱筒抽空泵 barrel emptying pump
预抽真空泵 forepump ; backing pump ; vacuum booster pump ; vacuum fore pump
抽空泵 return pump
真空泵不抽真空 Vacuum pumps are not vacuum ; Without vacuum pump
真空泵抽气装置 vacuum pump air removal system
箱桶抽空泵 barrel emptying pump
机械初步抽空泵 mechanical roughening pump
预抽空泵 fore pump
目前存在氨液循环泵易抽空、液氨产品外观不合格(颜色发红)、液氨外送泵密封泄漏等问题。
There were some new problems such as the easy exhaustion of the liquid ammonia circulating pump and the appearance of liquid ammonia product was off specification.
这一控制系统对解决低液量井抽空烧泵和过沉没度运行的问题，与现场的实际应用环境能够很好的结合。
The control system is able to solve the problem of evacuation and over submergence depth, which is adaptive to the application environment.
喷雾蜡脱油装置采用双螺杆泵(代替原来蒸汽往复泵)输送喷雾蜡膏油的情况表明，双螺杆泵运行可靠，不易抽空，经济效益良好。
The application of bi - screw pump (instead of former steam reciprocating pump) in the spray wax deoiling unit shows that such pump runs reliably and good economic benefit is also gained.
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