Noise is an important performance index for appraising gear unit.
噪声是评价齿轮装置性能的一项重要指标。
Air motor drive unit with gear reducer.
空气马达与齿轮减速驱动装置。
The three components, engine, clutch and gear box are assembled into a single unit.
这三个成份、引擎、抓紧和齿轮盒子进入一单位之内被装配。
The three components, engine, clutch and gear box are assembled into a single unit.
这三个成份、引擎、抓紧和齿轮盒子进入一单位之内被装配。
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