常见例句双语例句Cylinder tube: aluminum extruded profile with wear-free "Hard-Coat" (HV > 450), long service life, corrosion resistant, low friction coefficients.缸筒:铝与无磨损“硬涂层”(高压“450),使用寿命长,耐腐蚀,低摩擦系数型材。 返回 wear-resistant coat