查询词典 cylinder mill

The method of clearance seal can achieve the effect of the seal between regenerator and cylinder wall while eliminating contact between them.

传统的回热器使用接触式滑动密封，存在磨损，限制制冷机的使用寿命。

The letters were often protected by an envelope of clay on which the recipient's name was written and sealed with a cylinder seal.

文字通常有泥做的封套作为保护，封套上面写着的是容纳者的名字，还盖上了圆柱形印章的封印。

Hydraulic cylinder piston seal for the L-cups, the Plug Valves sealing performance and durability.

液压缸的活塞密封件为L型皮碗，其密封性能好，经久耐用。

Sliding Seal: pneumatic piston-type cylinder following the sealing implementing agency for the rotary valve is designed conditions.

滑动密封：气动活塞式执行机构气缸下面的密封，为旋转式阀门工况而设计。

Ring is the most frequently used seal in hydraulic cylinder. It's typical lip seal, which is able to gain good seal effect no matter in piston or piston rod.

型圈是液压缸中最常用的油封，它是一种典型的唇口密封件，无论用于活塞还是活塞杆都能获得良好的密封效果。

Before removing valve outlet seal, ensure cylinder valve is closed.

在去掉阀门排气口密封之前，确保钢瓶阀门关闭。

A copper-asbestos gasket is fined between the flange and the cylinder to seal the installation and to prevent ~ escape of exhaust gases.

铜，石棉垫片是罚款之间的法兰和汽缸密封装置，并防止逃跑的废气。

Be careful not to scratch the water cylinder during seal extraction and insertion.

抽取和插入期间不要刮伤这个汽缸。

Traditionally,the seal between the regenerator and cylinder wall has been accomplished using sliding bearings,but there was contact and wear in the bearings.

国内一些单位研制的斯特林制冷机虽在温度和制冷量等方面已经能够满足需要，但它们的平均使用寿命只有大约4000h。

All hydraulic devices are set in body without outside connection.Imported famous brand is adopted to seal oil cylinder,which is durable

全部液压装置集中在机体内，无外接管路，油缸密封均采用进口名牌密封件，密封效果好，无

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。