少妇厨房愉情理伦片视频在线观看-国产人妻大战黑人第1集-国产激情精品一区二区三区-欧美精品亚洲-涩涩视频免费观看-中文精品久久久久人妻-亚洲日韩av一区二区三区中文-日本日本乱码伦视频在线观看-久久国产影视-亚洲精品午夜国产va久久成人-这里只有精品9-天天澡夜夜澡狠狠久久-人人做人人爽人人爱-欧美综合图区-亚洲成a人片77777国产-亚洲乱码在线播放-亚洲一区二区视频播放-亚洲成亚洲乱码一二三四区软件-人人人插-国内免费久久久久久久久久

 There are many types of air compressors (air compressors).


1. According to the working principle, it can be divided into three categories: volumetric, dynamic (speed or turbine), and thermal compressors.
Air compressor classification
Air compressor classification
2. According to the lubrication method, it can be divided into oil-free air compressor and oil-lubricated air compressor.
3, according to performance can be divided into: low noise, variable frequency, explosion-proof air compressors.
4. It can be divided into refrigerator compressors, air-conditioning compressors, refrigeration compressors, oilfield compressors, natural gas filling stations, rock drills, pneumatic tools, vehicle brakes, door and window opening and closing, and textile machinery according to the purpose Use, tire inflation, plastic machinery compressors, mining compressors, marine compressors, medical compressors, sandblasting and painting.
5. According to the type, it can be divided into fixed type, mobile type and closed type [1].
Positive displacement compressor-a compressor that directly relies on changing the gas volume to increase gas pressure.
Piston compressor-is a positive displacement compressor, its compression element is a piston,
Piston air compressor
Piston air compressor
Reciprocating motion in the cylinder.
Rotary compressor-is a positive displacement compressor, compression is achieved by the forced movement of rotating elements.

Let's talk about the solution

Contact us