基本解释皮帶輪同根派生 Belt-pulley相关词英汉例句The belt started wrapping up on the tractor pulley.皮帶開始繞在拖拉機的皮帶輪上。Attach the pulley which is held by hand with screws.用螺絲安裝皮帶輪的手持部分。Belt-pulley更多例句