portable ping air compressor
便携式潜水空气压缩机
surface-supplied compressed-air-ping
水面供给的压缩空气潜水
compressed-air scuba
自戴式压缩空气潜水呼吸器
Technical specification for high pressure reciprocating air ping apparatus
GB/T12930-1991潜水装具用高压活塞式空气压缩机技术条件
Divers must breathe compressed air to keep from being crushed by the weight, or pressure, of the surrounding water.
潜水员必须吸入压缩空气才不致受到周围海水压力的伤害。
single-cylinder two stage air compressor
单气缸双级空气压缩机
ping apparatus for underwater work; has an open bottom and is supplied with compressed air.
水下作业用的潜水装置；有一个敞开的底并用压缩空气维持供应。
Methods for the measurement of volume flow of gas of water-ring vacuum pump and compressor
GB/T13930-1992水环真空泵和水环压缩机气量测定方法
super silenced air compressor
超低噪音空气压缩机
free piston air compressor
自由活塞空气压缩机
oil free air compressor
无油润滑空气压缩机
cross compound air compressor
并列复式空气压缩机
auto-starting air compressor
自动起动空气压缩机
air compressor lubricating oil tank
空气压缩机润滑油柜
two-stage stationary air compressor
二级固定式空气压缩机
two-stage rotary air compressor
二级旋转式空气压缩机
air compressor auto-control
空气压缩机自动控制
auxiliary compressor motor
辅助压缩空气电动机