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- Long service life of brush 超长电刷寿命
- Practice on long service life of water cooled slag skimmer used in No. 2 BF of Shaoguan Iron and Steel Co. 韶钢2号高炉水冷撇渣器长寿实践。
- Practice has proved the reasonableness of die structure and long service life of the die. 实践证明此模具结构合理，模具寿命高。
- Heat transfer oil enters into the boiler from the top and drains out from the bottom, which cannot easily be coked, with long service life of boiler. 导热油下进上出，有利于排气，导热油不易结焦，锅炉的使用寿命长。
- Heat transfer oil enters into the boiler from the topdrains out from the bottom, which cannot easily be coked, with long service life of boiler. 导热油下进上出，有利于排气，导热油不易结焦，锅炉的使用寿命长。
- Hydraulic SystemFull hydraulic steering system with operational ease and high efficiency. Well known hydraulic fluid connections with reliable seals ensure long service life of line system. PERMCO pumps used. 液压系统全液压转向系统,操纵轻便灵活,性能可靠。流体连接件采用国内知名品牌,密封可靠,管路系统寿命高;采用PERMCO的泵;
- The practice showed that the improvement was successful in the design featured with long service life of zinc pot,low cost,less oil consumption,simple operation and easy control,a better technico-economical index was reached. 实践表明 ,这一改进的设计是成功的 ,制作的镀锌锅寿命长、成本低、耗油省、操作简单、控制方便 ,达到较高的经济指标
- Hydraulic System Full hydraulic steering system with operational ease and high efficiency. Well-known hydraulic fluid connections with reliable seals ensure long service life of line system. 液压系统全液压转向系统，操纵轻便灵活，性能可靠。流体连接件采用国内知名品牌，密封可靠，管路系统寿命高；
- It indicates the strong retention of brazing alloy to diamond grits and the longer service life of the wheel. 这表明钎料合金对磨粒的高强度把持和砂轮的高耐用度。
- By rebuilding the under part device, longer service life of the equipment enhance ability of the equipment, all these means procure notable result. 通过对下部装置进行改造,延长了设备使用寿命,提高了设备利用率,取得了显著效果。
- On long service life of No.5 Blast furnace at WISCO 现役长寿的武钢5号高炉
- Nonpoisonous light and long service life. 无毒、质轻、使用寿命长。
- Elastic sealing, no leakage and long service life. 弹性密封,零泄漏,使用寿命长。
- Stellite 6 seating faces for long service life. 钨铬钴合金6阀座面,使用寿命更长。
- Based on the experiments, a conclusion can be made that proper reduction of the said ratio will bring about a better supression of the crack, thus a longer service life of the plug. 试验表明,适当减小径壁比可抑制顶头工作锥纵裂,延长顶头使用寿命。
- The cloth bag has long service life and can be changed easily. 清灰装置耗能低,每小时用电小于、布袋使用寿命长,更换简单方便。
- Corrosion resisting non-pollution,lower noise,long service life. 耐腐蚀、无污染、运转稳定、噪音低、寿命长。
- Excellent insulation at high temperature, long service life. 优良的高温约缘性能、使用寿命长；
- Perfect stability, long service life, and nondeforming. 红雪松稳定性及佳使用寿命长，不易变形。
- Lead-free alloy plating layer compacting iron, long service life. 无铅合金铁电镀层密实，使用寿命特长。
