您要查找的是不是：
- biological contact aeration equipment 接触曝气处理装置
- Experimental research on flow drag in biological contact aeration process for water supply source pre-treatment 生物接触氧化源水预处理工程的水流阻力试验研究
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- The submarine submerged to avoid enemy ships. 该潜艇潜入水下以躲避敌舰。
- Our ship was able to haul up just before it hit the submerged reef. 我们的船就在要撞上暗礁的时候停住了。
- Coastal land submerged during high tide. 受潮地，潮淹区涨潮时被水淹没的海岸
- That poor madam has lost all contact with reality. 那位可怜的夫人脱离了现实生活。
- For further information, contact your local agent. 要进一步了解情况，请与本地代理商联系。
- Have the children been in contact with disease? 孩子们同这种疾病有过接触吗？
- Helping a caller to contact somebody by phone. 帮助打电话者同某人电话联系。
- Her happiness at seeing him submerged her former worries. 她看到他非常高兴，顿时完全忘记了先前的烦恼。
- I came in contact with her by telephone. 我和她通过电话联络。
- A poor contact causes power to fail occasionally. 接触不良有时会造成断电。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- I have a useful contact in New York. 我在纽约有个有用的人可以联系。
- They made contact with headquarters by radio. 他们用无线电跟总部联络上 了。
- Expedite offer afraid buyer ready withdraw as others contact him. 糨公司正与之接触，请速予报价，否则买主准备撤走。
- I've got a useful contact in the post office. 我在邮局有熟人。
- Supplemental aeration is strongly recommended. 补充曝气是极力推荐。
- The child submerged all her toys in the bath. 那孩子把所有的玩具都泡在澡盆里.
