big-end bolts连杆螺栓
Big sdark end uper大甩卖
big-end bearing大端;大端轴承;连杆大头轴承
big-end bolt粗尾锚杆
big-end大头
big-end-down上小下大的
big-end-up上大下小的
big-end-upmould上大下小钢锭模
conrod big-end bearing连杆大头轴承
N（名词） the larger end of a connecting rod in an internal-combustion engine 连杆大头 (Also called (in vertical engines) bottom end) → compare little end