基本解释[数学]活塞位移速率英汉例句双语例句Calculates the piston displacement, speed, acceleration, and analyzes the forces burden of the piston-joint-shank- framework.计算了活塞位移、速度、加速度，分析了活塞连杆机构的受力。piston speed of displacement更多例句专业释义数学活塞位移速率