车钩突榫的英文

• coupling nipple

• 车钩:    coupler; coupling; car body ...
• 突:    dash forward; shoot out
• 榫:    tenon
• 钩突:    unciform process; processus uncinatus
• 车钩:    coupler; coupling; car body coupler; coupling gear; draw gear; jink; shackle bar; car coupler; hitching; drawgear; snapper; draft gear