Operating gearing is a measure of the extent to which a firm's operating costs are fixed rather than variable as this affects the level of business risk in the firm.
经营杠杆计量的是企业经营成本中固定成本而非变动成本所占比重，固定成本比重往往影响企业的经营风险水平。
Gear case of the gearing system and the gliding tailstock are integrative structure, lifting swiftly, operating easily.
传动系统的齿轮箱与滑动顶尖座为一体结构，升降灵活，操作方便。
Gear case of the gearing system and the gliding tailstock are integrative structure, lifting swiftly, operating easily.
传动系统的齿轮箱与滑动顶尖座为一体结构，升降灵活，操作方便。
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