空载 空载的英文 英语翻译 idlingidleness; no-live load; no-loadin ballast; weight empty 拓展翻译 空载程序块idle block空载吃水light draught空载传输back haul空载的unloaded空载电路状态idle circuit condition空载回路idle loop空载率no-load ratio空载门unloaded gate空载排水量light displacement空载损耗open circuit losses空载运行no-load run空载转速unloaded speed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军事航空管制military air-traffic control