您要查找的是不是：
- external drain cooler 外置式疏水冷却器
- Research on the Partial Load Property of Heater with Drain Cooler 带疏水冷却器的回热加热器变工况特性研究
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- John couldn't keep cool when he met his rival. 约翰见到他的对手就不能冷静下来。
- My new car cost me a cool thousand pounds. 我的新车整整花了我1000镑。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- This news program only covers external events. 这一新闻节目只报道国外消息。
- Let's go and have icecream to cool off. 咱们去吃点冰淇淋凉快凉快吧。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- The drain is blocked and needs unplugging. 排水管堵塞了，得疏通一下。
- He do not wear a coat in spite of the cool weather. 虽然天气寒冷，他没有穿外套。
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- He was always cool in the face of danger. 他在危险面前总是镇静自若。
- She sets great store by external politeness. 她很注重表面的虚礼。
- A rest in the shade will cool you down. 在阴凉处休息会使你凉爽。
- All hands turned out to repair the terraces and drain the water. 所有劳动力都出来整修梯田，排除积水。
