基本解释[數學]活塞位移速率英汉例句雙語例句Calculates the piston displacement, speed, acceleration, and analyzes the forces burden of the piston-joint-shank- framework.計算了活塞位移、速度、加速度，分析了活塞連杆機搆的受力。piston speed of displacement更多例句专业释义數學活塞位移速率