齿轮和齿轮托可以是铸铁或铸钢，可以有铸造或机加工的齿轮齿，取决于负载和应用环境。

The gears and gear brackets may be either cast iron or cast steel and may have cast or cut teeth, depending on the loads and the application.

youdao

船用齿轮传动装置，包括主推进器、离心机、甲板机械如绞盘、起锚机、起重机、旋转装置、泵、升降机及舵托等。

Marine gear transmission device, including the main thruster, centrifuge, deck machinery such as winch, sailed machine, crane, rotating device, pump, elevators and rudder ", etc."

youdao

采用托瓶提升气缸，油尼龙齿轮转动，噪声小，整机运转平稳。

Pneumatic valve and damped gears are used for bottle conveying, the noise is low and the whole machine runs smoothly.

youdao