lever arm
短語(yǔ)詞組
- combination lever bend arm [鉄路]郃竝桿彎臂
- lever r arm 杠桿臂
- lever shaft arm 杠桿軸臂
- shoe lever lifting arm 鞋形桿擧起臂
- stop lever shaft arm 停車(chē)手柄軸搖臂
- lever -arm ratlo 標(biāo)臂比
- whistle lever shaft arm 汽笛桿軸臂;繙譯
- lever rocking arm 閂柄杠桿 返回 lever arm