Its stainless steel construction insures a long service life.
不锈钢制作，寿命长。
Its advantages are higher power, saving oil, cooling engine and long service life of engine.
增加发动机动力，节省油量，降低发动机温度，延长了使用寿命。
The anticorrosion quality of long distance pipeline has direct effect on its service life.
长输管道的防腐质量直接影响管线的使用寿命。
The anticorrosion quality of long distance pipeline has direct effect on its service life.
长输管道的防腐质量直接影响管线的使用寿命。
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