air screw fan.
轴两扇风机

screw air compressor
螺杆空气压缩机

screw air compressor oil
螺杆式空气压缩机油

explosion screw air compressor
螺杆式移动空气压缩机

screw air compressor with aircooling
风冷型螺杆式空气压缩机

double screw bar and two stage air compressor
双螺杆二级空气压缩机

To renew a broken clamp screw for air port in fitter's quarter.
更换机匠舱里损坏的舷窗及旋紧螺丝。

Equipped with professional screw and air vent design to ensure high output and economic energy cost.
配合专用得螺杆及排气设计，具备高产能，低耗能得特点。

Among them and injection to screw air compressor applications and development of the fastest and most widely.
其中又以喷油螺杆空气压缩机的应用发展最快、最广泛。

In China, the screw drilling and the normal pressure compressed air drilling were conducted for trial and the results were not so good.
国内进行了螺旋钻进和常风压空气钻进的尝试, 但效果一般。