1.
Oil-free compressors of course, are the logical choice for instrument-air supplies.
自然，无油压缩机必然被选择为仪用空气供给者。
2.
Circulating Composition Shift Characteristic of a Mixed-gases Joule-Thomson Refrigerator Driven by an Oil-free Compressor;
无油压缩机驱动混合工质节流制冷机变浓度特性实验研究
3.
oil free air compressor
无油润滑空气压缩机
4.
oil free labyrinth compressor
迷宫式无油润滑压缩机
5.
oil free marine air compressor
无油润滑的船用空气压缩机
6.
automatic control oilfree compressor
自动控制无油润滑压缩机
7.
Application of Oil-free Lubrication Technique in Hydrogen/Nitrogen Gas Compressor and Circulating Machine
无油润滑技术在氢氮气压缩机及循环机的应用
8.
Study on Design of the Open-guiding Ring in Oilless Lubrication Compressors
无油润滑压缩机中开口型导向环的设计与研究
9.
Friction Force Study on Picking Rings for Oil-Free Lubricated Gas Compressors
往复式无油润滑压缩机填料密封的摩擦力研究
10.
air compressor lubricating oil tank
空气压缩机润滑油柜
11.
engine ,compression-igition, internal combustion for aircraft
压缩点火活塞燃机（柴油机或半柴油机）
12.
No compression, no mechanical part, no noise.
无压缩机，无机械运动部件，完全无噪音。
13.
Marine oil-free air compressor for control use-Technical specifications
GB/T12934-1991船舶控制设备用无油空气压缩机技术条件
14.
Design and Research on High Speed Oil-free Twin-screw Air Compressor for Fuel Cell;
燃料电池用高速无油双螺杆压缩机的设计与研究
15.
Lubricants for light duty rotary oil-flooded air compressor
GB5904-1986轻负荷喷油回转式空气压缩机油
16.
Technique study of hydraulic cylinder Driving Compressor
全液压油缸驱动活塞压缩机技术研究
17.
Experimental Investigation on Performances of the Fluid Ejecting Gear Compressor
齿轮压缩机中间压缩腔喷油的实验研究
18.
Argon may be compressed into cylinders by water or oil-lubricated compressors or by dry compression systems.
氩可以使用水或油润滑的压缩机或干压缩系统压缩进钢瓶。