throwing lever

英语单词lever是什么意思，英... ... throw-in lever 起动杆 throwing lever 闸杆 throw-out lever 止推杆, 推杆, 分离杆, 停车杆 ...

直角三角形_馆档网 ... "投掷器"," thrower" "轫柄"," throwing lever" "捻丝机"," throwing machine" ...