齿轮渐开线样板和螺旋线样板是齿轮参数的标准计量器具，分别用于齿轮仪器渐开线、螺旋线参数的校准。
The gear involute master and helix master are measurement standards and usually used to calibrate the involute and helix parameters of gear equipments.
量杯式计量、螺旋式计量、电子自动计量、组合秤。
Measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard. Mixed steelyard.
选配装置：量杯式计量、螺旋式计量、电子自动计量、组合秤。
Selected installations: measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard.
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