词汇	whom're
释义	whom're 🌏谁是
随便看	crank and rotating slider mechanism Crank and slide block crank and slider mechanism crank and swing guide-bar mechanism Crank and translating guide-bar mechanism crankangle crank angle crank-angle crank angle belween two limit positions crank angle between extreme positions crank angle between two limit positions crank angle indicator crank angles crank angle signal sender crank angular position crankarm crank arm crank-arm crank armcrank-web crank arm, flexible crankarms crank arrangement crank auger crank axis crankaxle