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- double stage oxygen regulator 双级氧气调节器
- single stage oxygen regulator 单级氧气调节器
- High Performances, Wide range Double stage Power Line filters. 高性能,范围广双极电源滤波器。
- If the tempering operation occurred, rapid closure of the oxygen regulator should be round and then close the acetylene hands handwheel adjustment. 如果操作中发生回火，应急速关闭氧气调节胶木手轮再关闭乙炔调节手轮。
- 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。
- Contains of Oxygen Cylinder, Acetylene Cylinder, Oxygen Regulator, Acetylene Regulator, flashback arresters, high pressure flexible houses, cutting and welding kits, safety and protective equipment necessary. 包括氧气、乙炔瓶，氧气、乙炔减压表，回火器，高压软管，焊枪，割刀以及其他设备。
- 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。
- pressure breathing oxygen regulator 增压供氧调节器
- seat-mounted dual oxygen regulator 座椅复式氧气调节器
- pressure-demand oxygen regulator 增压和断续供氧调节器
- 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
- 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。
