中文解释:引擎的主要旋转机件,装上连杆后,可承接连杆的上下(往复)运动变成循环(旋转)运动。
英文解释: A main rotating shaft running the length of the engine. The crankshaft is supported by main bearings. Portions of the shaft are offset to form throws to which the connecting rods are attached. As the pistons move up and down, the connecting rods move the crankshaft around. The turning motion of the crankshaft is transmitted to the transmission and eventually to the driving wheels