Railway locomotive gearStraight tooth is a classification of gears. According to the relative position and tooth direction of a pair of gear axes (whether the two 现在联系

High-strength gear shaft of shield machineThe gear shaft is an integral part of a gear and a shaft, which is used to mesh with a gear on another shaft to transmit movement and power. 现在联系

Straight toothGear is a common part often used in mechanical transmission. The gear is made of high-quality and high-strength alloy steel, and the surface 现在联系