| 空说无用 Empty boasts are useless. |
| 空调 air-conditioning |
| 空调器 air-conditioner |
| 空调机 air conditioner |
| 空调系统 air-conditioning system |
| 空调设备 air conditioning |
| 空谈 indulge in empty talk |
| 空谈主义 phrase-mongering |
| 空谈无益 It will not do if one merely... |
| 空谈没有好处 Empty talk is no good. |
| 空谈误国 Empty talks jeopardize natio... |
| 空谷足音 sound of footsteps in a dese... |
| 空跑一趟 make a journey for nothing |
| 空路 dead circuit |
| 空车 empty |
| 空车停车处 dead parking |
| 空车道 track for empty tubs |
| 空轧 shallow pass |
| 空轧孔型 blind pass |
| 空转 idling |
| 空转控制 slow-running control |
| 空转控制阀 idling control valve |
| 空转摩擦力 motoring friction |
| 空转试验 blank experiment |
| 空转调整 idle speed adjustment |