您要查找的是不是：
- regular ventilating circuit 正常的通风线路
- Deposited on the stone to strengthen the management of the environment, in the regular ventilation, dust protection on the basis of further refinement of the management measures. 加强了对石碑存放环境的管理工作，在定期通风换气、除尘保护的基础上，进一步细化了管理措施。
- Key words： Turbine Generator；Hydrogen Cooling；Ventilation Circuit；Structure；Westinghouse Co.；GE Co.；Alstom Co.；Siemens Co. 关键词：透平发电机；氢冷；风路；结构；西屋公司；GE；阿尔斯通公司；西门子公司
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- 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。
- I must insist on more regular hours. 我必须强调起居定时。
- The rebels made regular attacks on the railways. 叛军不时地袭击铁路。
- He comes back to see us at regular intervals. 他每隔一段时间就回来看看我们。
- The computer gave a regular bleep. 计算机发出有一定节律的哔哔声。
- There are two breakers in this circuit. 这个电路里面使用了两个断路器。
- I am a regular reader of this newspaper. 我是这份报纸的长期读者。
- A replaceable printed circuit board. 一种可替换的印制电路板。
- He works hard and keeps regular hours. 他工作努力，生活很有规律。
- ventilator circuit and humidifier 呼吸机管道
- He is a regular worshipper at that church. 他常去那个教堂做礼拜。
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- She's a regular beauty, is not she? 她是个十足的美人，可不是吗？
- She's a regular beauty, isn't she? 她是个十足美人，可不是吗？
- The boy is a regular mischief in school. 这男孩在学校里是一个十足的淘气鬼。
- There must be a break in the circuit. 电路中一定有断路。
