制服丝袜-制服丝袜第四页-制服丝袜第一页在线-制服丝袜国产另类-制服丝袜国产日韩-制服丝袜国产日韩久久

1-1

News

2019.11.12
Desran Compressor (ShangHai) Co., Ltd is a subsidiary invested by German Desran Compressor Co.,Ltd. We not only inherit advanced design concept and precise manufacturing technology from German industry...
The basic structure of screw compressor
Date:2019.11.02
We usually say refers to the twin screw compressor screw compressor.

In a compressor host in parallel configuration with a pair of corresponding meshed spiral rotor, usually the day outside the circle with convex teeth of the rotor ( from the perspective of the cross-section ), known as the male rotor or the male screw; the circular section has a concave tooth rotor ( from the perspective of the cross-section ), known as the female rotor or the female screw.

General Yang rotor as a main rotor, rotor drives the rotor to rotate by Yang yin. The rotor ball bearing rotor to realize axial positioning, and the axial force in the bearing of compressor. Both ends of the rotor of the taper roller thrust bearing so that the rotor to realize radial positioning, and bear the compressor in the radial and axial forces, in a compressor host respectively arranged at the two ends of a certain shape and size of the orifice, a getter is called inspiratory mouth, another for the exhaust vent for call.

主站蜘蛛池模板: 日韩精品区 | 亚洲视频无码在线观看 | 日韩一区二区A片免费观看 日韩一区二区超清视频 | 国产成人无码精品一区二区三区 | 欧美午夜网站 | 久久精品久久久 | 久久久国产精品免费a片分 久久久国产精品免费A片分环卫 | 夜夜躁狠狠躁日日躁aab | 成人无码区免费A片视频韩国 | 国产成人精品福利一区二区 | 漂亮的年轻的继坶3在线 | 91在线视频99播放 | 国产熟女乱子视频正在播放 | 狠狠干2023 | 国产av无码片毛片一级流奶水 | 免费精品国产人妻国语色戒 | 3d肉蒲团观看地址 | 日本综合a一区二区视频 | 无码国产精品一区二区免费16 | 日本免费高清视屏在线 | 国产在线毛片 | 欧美又粗又大AAAA片 | 成人欧美日本免费观看 | 国产亚洲网站 | 无人区在线完整免费版 | 亚洲毛片av日韩av无码 | 欧美aa级片 | 韩国精品视频一区二区 | 成人免费无码动漫h在线观看 | 日韩另类在线一区二区三区 | 亚洲色成人网站www永久四虎 | 蜜桃av无码国产丝袜在线观看 | 国产又猛又粗又爽的视频A片 | 一区AV在线观看红楼梦 | 九九日韩999| 欧美区bt | 亚洲 日韩 另类 天天更新 | a级毛片免费播放 | 乱亲女H秽乱长久久久 | 亚洲国产日韩a在线播放 | 中国老妇xxxx性开放 |