空转 空转的英文 英语翻译 idle; idling; racing; spinrunning openrunning free; running idle 拓展翻译 空转的dallyingidle空转的机器idle-machine空转端idle end空转功率idle capacity空转换null transition空转接收机dallying receiver空转轮idle gear空转期间idle period空转时间idle running time空转试验run-in test空转速度load-free speed空转调整idling adjustment空转字符idle character净化空气总管clean air manifold净空headroomclear space净空高度head room; head-room clearance; overhead clearance净空间clear space静止空气粘滞性viscosity of stationary air绝对空间absolute space绝对真空absolute vacuum