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- ventilation preheating 通气预热
- This is a room with good ventilation. 这是个通风良好的房间。
- Abstract: An antifreezing ventilation system at winter in a gold mine is designed by use of the earth temperature preheating technology. 文摘:利用地温预热入风流技术，设计了金厂沟梁金矿冬季防冻通风系统。
- Before soldering, be sure to preheat components. 焊接前零件一定要预热。
- The ventilation is poor, the lieutenant admits. 中尉承认，通风设备很糟糕。
- Preheat and Cooling functions selection. 预热及冷却功能选择。
- Workers should be allowed full ventilation of all their difficulties. 工人们应被允许公开讨论他们所有的困难。
- Preheat oven to 350 degrees F (175 degrees C). 预热烤箱至350华氏度（175摄氏度）。
- Preheat the oven to 180 Celsius. 烤箱预热至摄氏180度。
- Preheat the oven about 180degree . 把焗炉预热至180度。
- To make toasts: Prepare grill or preheat broiler. 制作烤面包片：准备烤架或预热烤焙用具。
- They altered the house to improve its ventilation. 他们把房子改装一下使它更通气。
- Regeneration production of ventilation fan. 换气扇的换代产品。
- Open the window for some ventilation. 打开窗子好通风。
- Well ventilation, away from corrosive gas. 通风良好，不带有腐蚀性气体。
- There was dead air due to the lack of ventilation. 因为没有通风这里的空气不流通。
- Ride the train to the ventilation shaft. 乘火车到达通风井找到柱状物体。
- Variable air volume(VAV) ventilation systems. 变风量通风空调系统。
- Necessary lighting and ventilation to be furnished. 应提供必需的照明和通风。
- Close all accommodation doors and shut ventilation. 关闭起居处所的门，切断通风。
