“齿轮箱”用英语怎么说？

而曲轴,在齿轮箱挂挡时, 又使汽车持续运动.When the gears are engaged, the crankshaft keeps the car moving.但是风力发电机的齿轮箱存在着经常在刹车时受冲击载荷而过早损坏的问题.The gear box of wind - driven generator is premature damage by impact load.对于电机操作机构,齿轮箱配置标准安装法兰.For ...