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- double stage compressor 双级压气机,两级压缩机,二级空气压缩机,二级压缩机
- High Performances, Wide range Double stage Power Line filters. 高性能,范围广双极电源滤波器。
- Its products can be categorised in sturcture to single shaft and multi stage compressor, multi shaft and multi stage compressor, single stage compressor, fans, etc. 其产品按结构形式分为单轴多级式压缩机，多轴多极式压缩机，单级式压缩机，离心式风机等;
- It is comprised of multiple stage centrifugal pump,double stage gas separator, protector,submersible motor,guard shield and setting gas separator. 它主要由多级离心泵、双级分离器、保护器、潜油电机、护罩、沉降分离器组成。
- Gradient multi-setting cement slurry system can take the place of double stage cementing in long isolation sections in certain degree, and it displaces many advantages. 对于封固段较长的固井作业,采用梯度多凝水泥浆体系,在一定程度上可以代替双级固井,具有很强的优越性。
- The process is competitable to the double stage electro-desalting in technological kvel, and significant savings in electricity, water as well as detnukifier is achieved. )工艺与两级电脱盐水平相当,节电、节水和节省破乳剂的效果明显。
- In the double stage coupled heat pump heating system,the air source heat pump(ASHP) worked as the first stage unit under new working conditions in cold environment. 本文利用已建立并通过实验验证的空气源热泵机组稳态仿真数学模型,对机组在新工况与常规工况下的低温稳态特性进行了计算机仿真。
- Variable moving blade double stage axial fan 动叶可调双级轴流式风机
- P-500 double stage pusher centrifuge P-500双极推料离心机
- double stage coupled heat pumps heating system 双级耦合热泵
- double stage current transformer 双级电流互感器
- An Analysis on Break Failure at Dovetail of the 4th Stage Compressor Blades of an Engine 某机第4级压气机转子叶片榫头折断故障分析
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
