Seal是什么意思

网络释义

用法例句

The chemical and physical hazard factors,and protection methods for the surveying reporters in the leaking sites were analyzed,based on the more than 20 years practice experience of the online leak sealing engineering at home.

基于国内带压密封工程20多年的实践经验,分析了泄漏事故现场对勘测人员化学和物理2大危害因素及防护方法。

The hazard factors to the operators in the leaking sites and the disastrous consequence with physics explosion,chemical explosion,poison,noise deafness,scald,frostbite and attack injury etc were analyzed based on already and possibly accident to occur for online leak sealing engineering operating.

基于带压密封工程作业中已经发生和可能发生的事故教训,分析了泄漏事故现场对带压密封工程作业人员的危害因素及可引发的物理爆炸、化学爆炸、中毒、噪声性耳聋、烫伤、冻伤、打击伤害等灾难性后果。

This article presents the sealing principle of fluid dynamic seal pump,the calculating method of the seal pressure head,as well as its application field,experiences and limitation

介绍飞铁密封泵的密封工作原理、密封扬程计算方法、适用范围及使用经验和局限性。

The reliability of bulb turbine is low because of its structure and its working seal of main shaft is easy to happen accident.

灯泡贯流式水轮机受其结构形式的影响,机组安全可靠性低,主轴工作密封容易发生事故,如何提高机组主轴工作密封的可靠性对电站的安全运行有着非常重要的意义。

The machine frame is made of high-quality wood and panel with good sealing high static electricity resistance and low noise.

机体结构采用优质木材和多层木板，密封程度高，抗静电性能好，工作噪音小。

Check that the hollow shaft and its seal are proper and that the packing gland should not compress too tightly on the packing set and the drip leakage is allowed.

检查空心轴和轴密封程度是否适当，填料压盖不可将盘根压得过紧，允许呈滴状渗出。

water pressure test for strength and tightness

水压强度和密封性试验

hermetically-sealed superminiature temperature relay

超小型密封温度继电器

oil pressure test for strength and tightness

强度和密封性油压试验油压及强度密封试验

The letter was contained in a bottle fast as a Kentish oyster.

那封信装在一只高度密封的瓶子里。

Determination of densities of mineral drugs and their calcined products by sealing wax densimetry

封蜡密度测定法测定矿物药及其煅制品的密度

Pay especially careful attention to the packing and gasket materials as this may limit the rating as is the case with PTFE used as the standard in Aloyco valves.

要特别注意密封材料和衬垫材料,这些材料相当程度上决定了阀门的压力-温度额定值

Temperature range limited by seat material

温度范围受到阀座密封材料的限制

High activity cobalt-60 sealed radioactive sources

GB7465-1994高活度钴-60密封放射源

The temperature sensor is enclosed in a protective well.

温度传感器密封在保护套管中。

Research on Soft Measurement of Internal Temperature and Relative Humidity in Sealed Packages;

密封包装箱内温湿度软测量系统研究

The Density of Population and the Formation of Chinese Feudal Small-scale Peasant Economy;

人口密度与中国封建小农经济的生成

Analyzing and Measuring the Depth of Large sized Jar Sealing Groove;

大尺寸缸体密封槽深度的分析与测量

Investigation of Improving HD-PCB Substrate Packaging Quality

改善PCB高密度基板封装质量的研究

Application of standard steel ball in measuring depth of sealing tape

标准钢球在密封带深度测量中的应用

Application of electronic balance in the paraffin-coated method to determining soil density

电子天平在蜡封法密度试验中的应用

High-density IC Packaging Based on Flexible Printed Circuit

基于挠性基板的高密度IC封装技术