service-shock resistance

It's characteristic of small flow resistance, good performance in sealing, and long service life etc.

具有流通阻力小, 密封性能好, 使用寿命长,的特点.

Polyphenylene sulfide compounds is a kind of thermoplastic heat resistant engineering plastics, with a long-term service temperature as 200~ 240 ℃, and with good mechanical properties, electrical performance, chemical resistance and moulding processability.

聚苯硫醚复合材料是一种热塑性耐高温工程塑料，长期使用温度为200～240℃，并具有良好的机械性能、电性能、耐化学性能和成型加工性能。

Reasons in bad abrasion resistance and short service life of spinning top roller in polyurethane corn-spun spinning production are analyzed. Top roller hardness& surface treatment choosing in spinning polyurethane corn-spun yarn and maintenance method of top roller are introduced.

对氨纶包芯纱纺纱生产中细纱胶辊耐磨性差、使用寿命短的原因进行了分析，介绍了氨纶包芯纱用细纱胶辊硬度及表面处理的选择以及胶辊的使用保养方法。

Research on Calculation Methods of Bending Resistance Bearing Capability of Reinforced Concrete Beams in Service

在用混凝土梁正截面承载能力计算方法研究

Results: The resistance profiles of B.cepacia were different for its isolation time and its isolation service, and most of the difference were significant ( P < 0.05) or very significant ( P < 0.01).

结果洋葱伯克霍尔德菌的耐药性随其分离时间和病区而异，差异多具显著性（P

The absorption cigarette filter tip has good filter effect, simple structure, long service life, unchanged cigarette flavor, and little flow resistance of smoke gas.

本阻尼式香烟过滤嘴过滤效果好，不改变烟味，烟气流通阻力小，结构简单，使用寿命长。

This goods can improve the heat-resistant and aging resistance of friction material, improve the service life.

该型号产品能够提高摩擦材料的耐热性和耐候性, 提高使用寿命.

The British Special Air Service was created in 1941 as a force which could operate behind German and Italian lines and support resistance movements against the occupation forces.

英国特种空勤团成立于1941年，当时的它就深入德意两军的后方独立作战，支持抵抗运动，对抗占领军。

Acidprllf, anticorrosion, stable chemical property, good ageing resistance, and average service life up to 30 years.

耐酸碱 、 耐腐蚀 、 化学性能稳定 、 抗老化性好 、 平均使用寿命可长达三十年.

The new composition graphite bearing using engineering plastics as additive was installed to test in dye machine, the results showed: the bearing have many advantages: good wear resistance, small friction factor, long service life etc.

采用工程塑料填充石墨研制的新型复合石墨轴承，通过在印染机械上装机试验，结果表明，该轴承具有耐磨性好，摩擦系数小，使用寿命长等优点。