查询词典 sealed

Our product line includes: Water Control Valve Series, Series of Multi-function Control Valve for Pump, Soft Sealed Gate Valve Series, Nationally Unprecedented Slot-type Valve Series, Gate Valves, Butterfly Valves, Check Valves, Globe Valves, Balancing Valves, Exhaust Valves, Mud Valves, Motorized Cock Valves, Three Ways Regulating Valves, Temperature Control Valve, Sluice Gates and etc.

生产的主导产品有：水力控制阀系列、多功能水泵控制阀系列、软密封闸阀系列、填补国内空白的沟槽式连接系列阀门、闸阀、蝶阀、止回阀、截止阀、平衡阀、排气阀、排泥阀、电动二通阀/三通调节阀、温控阀、闸门等。

It is not possible to manufacture a 100%-sealed optical encoder because the bearing-to-shaft assembly will never be perfectly tight. There must be a clearance to allow the bearing to slide over the shaft during assembly of the encoder.

生产制造出一个完全密封的光学编码器是不可能的，因为轴承-传动轴的组装不可能完全密封，必须要有个间隙，在编码器组装的时候让轴承滑动到传动轴上。

No other railway in the world reaches such altitudes; the carriages of the "sky train," with a total capcaity of 900 passagers, are sealed and pressurized like the fuselage of an airplane.

某天吧，让我站在青藏railway的铁轨上，再来回忆今天充满自豪和向往的小心愿。

No other railway in the world reaches such altitudes; the carriages of the "sky train," with a total capcaity of 900 passagers, are sealed and pressurized like the fuselage of an airplane.

阳光透过云彩照射下来，在草原上涂上明与暗。视野很开阔，对比很强烈，荒芜的自然景色恰到好处的烘托出，火车这个现代化科技的代表。

But in the afternoon opened, that is, the process is a large number of single-throw, he did not hesitate, and within 10 minutes, that is, buying more than 100 million shares, ST Kim Tae He will then re-sealed limit.

但在下午开始，也就是说，这个过程是一个单掷数量很大，他没有犹豫，10分钟之内，也就是说，购买100多亿股，意法半导体金大中随后他会重新密封限制。

Microspheres after foam shell will not break down, is still sealed to maintain a complete sphere.

发泡后的微球外壳并不会破裂，仍保持一个完整的密封球体。

This construction is sealed by a sheet of black corrugated steel plates that shields the rain.

这项工程是由一个密封的资产负债表的黑色波纹钢板的盾牌雨。

Steel companies have long been engaged in the construction area sealed leak-proof product development and research, as well as drilling screw, self-tapping screws, seals the production and manufacture, have many years of successful experience.

公司长期从事建筑钢构方面的密封防漏产品开发和研究，以及对钻尾钉，自攻钉，密封件的生产和制造，具有多年的成功经验积累。

Installation of two outer openings each staggered 180b, the inner and outer openings staggered opening 90b, and pin the three rings with a fixed, outer and inner expansion force in self-expansion force of working together, close to the surface of the pump cylinder run, inflation is not only the axial ring sealed, and the radial seal Ye Hao, it prevents micro-fine sand and into the axial friction pair, can also prevent the micro-fine sand and into the internal voids in the inner ring 3, the operation will not impede expansion ring breathing.

安装时2个外环开口互错开180b，内环开口与外环开口错开90b，并用销钉将3个环固定，外环在自身胀力和内环胀力共同作用下，紧贴泵筒内表面运行，胀圈不但轴向密封好，而且径向密封也好，故阻止微细砂进入轴向摩擦副，也可阻止微细砂进入内环3的内部空隙中，不会阻碍胀圈运行中呼吸。

The final drives are double reduction with spur gear and segment sprocket, which are sealed by duo-cone seal

两级直齿轮减速，浮动油封密封，链轮采用组合式，便于维修。

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。