tappet arm

例句：

1. 1.The engineer attached the tappet arm to the machine.
   工程师将吊环臂连接到机器上。
2. 2.The carpenter used a lever to lift the heavy beam.
   木匠使用杠杆来举起沉重的梁。
3. 3. The scientist tested the pulley system with weights and ropes.
   科学家用重物和绳子测试滑轮系统。