查询词典 gas-proof

KJZ2-1550/1140Z mineral product explosion-proof and hypostases safety power supply intelligence vacuum combination switch is used in the mine which contains firedamp mix gas and has the danger of blast of grime.

KJZ3-1550/1140Z矿用隔爆兼本质安全型智能真空组合开关适用于含有甲烷混合气体、具有煤尘爆炸危险的煤矿井下。

Series of anti-corrosion Explosion-proof fans, exhaust gas treatment tower at home and abroad to introduce advanced technology, manufacturing, stainless steel fan, glass steel series: centrifugal fan, axial fan, roof fan, FT30 Axial fan, FRP fan horn, exhaust treatment tower.

系列防腐防爆风机、废气处理塔引进国内外先进技术制造，不锈钢通风机，玻璃钢系列：离心通风机、轴流通风机、屋顶通风机、FT30轴流风机、玻璃钢喇叭扇、废气处理塔等。

There was the time, he says,"we had what we thought was a sarin gas attack." And there were also the 50th anniversary commemoration of the United Nations and the 2000 millennium celebration to contend with, times, he said,"when we had a lot of warnings and had to do a tremendous amount to prepare." And let's not forget, he pointed out, the 1997 NYPD arrest of two terrorists who "were going to blow up a subway station." Giuliani used this thwarted attack as proof of the city's readiness:"A very, very alert young police officer saw those guys," he said.

还有的是时间，他说，&我们已和我们所想的是沙林毒气攻击&，并也有50周年纪念的联合国和2000年千禧年庆祝活动，来与时代时，他说，&当我们经历了很多的警告，并已做了大量准备，&让我们不要忘记，他指出， 1997年纽约市警察局逮捕的两名恐怖分子的人&去炸毁的一个地铁车站，&朱利亚尼利用这一挫败袭击，以证明该城市的准备情况：&非常，非常警觉，年轻的警员看见那些家伙，&他说。

According to the requirement of oil drilling foreign and domestic, the international standard for oil equipment and national oil drilling codes. In order to prevent fault which flaming gas or vapour may be present in the air in sufficient quantities to be explosive or ignitable. We designed and made explosion-proof electric controlling equipment for oil field.

根据目前国内外石油钻井装备的要求，以及符合现代化钻井生产的规范化要求，为防止在石油钻井过程中，控制设备产生火花而引起可燃性气体发生爆炸，本公司设计生产了油田钻井液循环罐防爆电气控制系统。

If the protective seal is not air proof or poor gas purity, it will also bring welding quality problems.

气路有密封不好的问题，或气体纯度不高，也会引起焊接质量问题。

General Vibration-proof Pressure gauge is applied to the occasion with dynamic load and vibration or to measure the pressure of gas and liquid which can not corrode copper alloy.

一般耐震压力表，用于有动载荷及振动的测量场所，对铜合金没有腐蚀作用的气体或液体进行测量。

The construction contains coal gas station,tunnel stove,glass melting stove,high grade exported fire-proof splint and the equipment installation and some attached facilities.

建煤气站、隧道窑、玻璃熔窑、进口高档耐火托板、设备安装及一些附属设施。

Intelligent control technology of large-scale equipments in comprehensive mechanized coal mining face (including the electric explosion-proof technique, control circuit design of essence safety type and double-engine double-speed dragging heavy load control technique of scraper conveyer); no exceeding limit gas safety and high efficiency emission technique (including air flow control strategy, control method, and etc.); failure protection technique for safe power supply of mine power grid (including two-grade selective electric leakage protection and phase sensitive protection technique, etc.).

关键技术分别为多局部通风机故障诊断和冗余控制技术（包括掘进工作面供电系统多源信息融合、故障测寻、故障诊断、多局部通风机三重冗余控制方法和控制策略等）；综采工作面大型设备的智能控制技术（包括电气防爆技术、本质安全型控制电路设计、刮板输送机双机双速拖动重载控制技术等）；瓦斯无超限安全高效排放技术（包括风量控制策略、控制方法等）；矿井电网安全供电的故障保护技术（包括两级选择性漏电保护和相敏保护技术等）。

I've even applied at a gas station, and worked at a gas station.

我曾申请到一家加油站工作，在一家加油站工作。

Having found that your car is running out of gas , you pull over to a nearby gas station .

发现你的车油快用完了，你就把车开到附近的一间加油站。

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。