cotter pin retaining pin  开口销固定销

gudgeon pin [= crosshead pin]  杆头销; 轴头销

pin-for-pin  销对销

pin-to-pin leakage  销与销间泄漏

pin-to-pin reducer  两头阳螺纹的大小头

apron trunnion  闸门枢轴

axle trunnion  车桥耳轴

axle trunnion bearing  车桥耳轴轴承

axle trunnion ring  车桥耳轴环

ball trunnion  球头耳轴

barrel trunnion  油缸筒耳轴

bearing trunnion  轴承枢轴

bulldozer blade trunnion  推土机铲刀耳轴

bulldozer blade trunnion ball  推土机铲刀耳轴球节

bulldozer cylinder trunnion bearing  推土机油缸耳轴轴承

bulldozer trunnion  推土机耳轴

bulldozer trunnion ball  推土机耳轴球节

bulldozer trunnion group  推土机耳轴组件

center height of trunnion  耳轴中心高度