The cracking phenomenon at different spot of the box girders under the construction and operation phrase will have directly effect on the safety, durability and service life of bridges.

With the fast development of heavy truck industry in our country, the suspension which influences the safety, comfort and service life of heavy truck becomes more and more important.

随着我国重型卡车工业的飞速发展，作为影响重型卡车安全性、舒适性和使用寿命的卡车悬架系统的重要性得到日益的凸显。

The clutch pedal assembly has the advantages of high safety performance and long service life as the lower limit bracket is not easy to drop off.

本实用新型的优点在于：下限位支架不易脱落，安全性能高，使用寿命长。

Concrete crack cause devastating consequences in the safety of structure and service life ( especially in the north area in the extreme temperatures).

混凝土裂缝（特别是北方地区极端温度下）对结构安全和使用寿命产生破坏性后果。

Safety for sailing and service life of cylinder of engine depend on the lubricity of marine cylinder oil.

船用气缸油润滑性能（即抗磨性）的好坏决定着行船的安全和发动机气缸的使用寿命。

External motor and oil pump enable good ventilating and cooling conditions, safety operation and prolonged service life.

由于电机、油泵外置，其通风冷却条件好，运行安全，寿命长。

With a series of advantages such as lightweight, low energy consumption, corrosion resistance, good safety, long service life and low comprehensive cost, the stainless steel railway vehicle has become the first choice of railway vehicles.

不锈钢轨道客车以其车体轻、能耗低、耐腐蚀、安全性好、使用寿命长及综合成本低等优势成为轨道车辆的首选。

The utility model has the characteristics of small power consumption, safety, long service life, small volume and accurate rotate speed and is an ideal liquid ( or gas) stirrer.

本实用新型具有功耗低、安全、使用寿命长、体积小、转速准确的特点，是一种较理想的液体（或气体）搅拌器。

In the process, there are many advantages, such as lower system pressure, good operating safety, longer service life of drum, lower energy cost and inexpensive investment in equipment.

该工艺具有系统运行压力低，操作安全性好，干燥滚筒使用寿命长，节约能源以及设备投资小等优点。

The extra-high pressure working cylinder has high strength, strong bearing ability, high safety, long service life and low use cost.

本实用新型强度高，承压能力强，安全性高，使用寿命长，使用成本低。

In order to ensure the safety of and service life, the strength of important parts is checked.

为保证抛绳器的安全性及使用寿命，对重要零件进行了强度校核。

But, in view of the engineering related to dismantle wall of the building safety, service life and adornment effect, and is the main cause of building energy consumption, do not accord with a low carbon economy decorate concept.

但是，针对拆除墙体的工程关系到房屋的安全性、使用寿命和装饰效果，并且是建筑耗能的主要原因，不符合低碳经济的装修理念。

Adding chemicals to industrial boilers to prevent them from corrosion and scaling is the main way of boiler water treatment. The quality of water treatment in the boiler affects directly on its running safety and service life.

工业锅炉通过锅内加药处理来防腐防垢是一种主要的水处理方式，锅内水处理质量的好坏直接影响其安全运行和使用寿命。

In military engineering field, the vibration of the bridge will course its local fatigue and damage, when military equipments pass by, and it will affect the safety and service life of the military bridge.

在军事工程领域中，装备通过军用桥梁时引起桥梁结构的振动，可能会造成桥梁结构的局部疲劳和损伤，从而影响到军用桥梁的安全使用和疲劳寿命。

By means of the statistical figures and inspection examples, the influence of the first time entire inspections on the safety and service life of the important pressure vessels is discussed.

根据多年从事压力容器检验工作的经验，用统计数据及3个压力容器的检验实例，说明大型关键压力容器的首次全面检验对压力容器安全及使用寿命具有重要影响。

Running tests have shown that the present pistons for DF_ ( 11) locomotives can meet the reliable requirements of safety and service life.

运行实践表明，现役DF11机车活塞能满足安全寿命的要求。

The control of sintering process is important for safety and service life of the sintered components. It leads to the attention by numerous researchers in the world.

烧结工艺对烧结零部件的安全性和寿命评价非常重要，已引起国内外学者的广泛重视。

As the energy storage device for EV, the safety and service life of Li-ion battery are both the key performance indicators for EV.

而锂离子电池作为电动汽车的能源存储装置，其安全性和使用寿命是影响电动汽车整体性能的重要因素。

As the main bearing components the welding quality of frame is particularly important, the manufacturing quality of frame directly restrict the locomotive safety and service life.

作为主要承载部件构架的焊接质量尤为重要，构架制造质量直接制约着机车的安全和使用寿命。

The structure can make the back U-type bent part stripped effectively, and also increase the reliability, safety and service life of the die.

该模具结构不但解决了倒U形弯曲件出模困难问题，而且模具的可靠性、安全性及使用寿命显著提高。

Compared with others, The safety and service life of this product approach the world advanced level.

和同类产品对比，它的安全性好，使用寿命达到进口产品水平。