前进离合器测压孔塞
forward clutch pressure tap plug
换向离合器测压孔
reverse clutch pressure tap
换向离合器测压孔旋塞
reverse clutch pressure tap plug
前进离合器的润滑
forward clutch lubrication
前进离合器壳体齿形插口
forward clutch housing tooth
前进离合器输入轴
forward clutch input shaft
飞轮离合器测压接头
flywheel clutch pressure tap