您要查找的是不是：
- Boiler drain and vent system 锅炉疏水和放气系统
- Heater drain and vent system 加热器疏水,排气系统
- Where required, the piping installation shall include valves for isolation, bypass capable of full flow manual control, and drain and vent valves. 管道的安装应按照要求包括隔离阀和旁通阀，用于控制全流量手动控制调节阀、排液阀和排气阀。
- Control functions or actions requiring infrequent attention (such as positioning drain and vent valves, starting motors and pumps, and placing systems into automatic operation) are frequently left to manual operation. 那些并不需要经常注意的控制功能或调控行动常留给手动完成。
- The hydrates in marine environment can be grouped into two categories, diffusion system and venting system, according to hydrate occurrences. 根据天然气水合物的产出条件,海洋环境水合物可以分为二类扩散系统水合物和渗漏系统水合物。
- A/C duct and vent duct structure of W/H Deck. 驾驶甲板空调、机械风管结构。
- Some rubbish got into the drain and stopped it up. 这些垃圾进了下水道，使下水道堵住了。
- Tint--- color drain and local area enhancement. 部分颜色衰减并使局部颜色增强。
- A/ C duct and vent duct structure of W/ H Deck. 驾驶甲板空调、械风管结构。
- Drain and transfer to a large bowl. 沥干并放入一个大碗中。
- Drain and exhaust through the stopper. 冷却器可由螺塞排水或排气。
- Wash salted turnip, drain and mince. 菜脯洗净，滴乾水后剁幼。
- This gravelly soil is well drain and is good for grow root crops. 这沙土地利于排水，适于种植块根作物。
- All open ends of process drains and vents shall be closed with suitable caps or plugs. 所有工艺排液和排气的开口端应使用合适的管帽或丝堵进行密封。
- Kits consist of: Bonnet, Bonnet O-ring and vent spring. 组件包括:阀盖,阀盖O形环和排气口弹簧。
- Kits consist of : Bonnet, Bonnet O-ring and Vent spring. 组件包括：阀盖，阀盖O形环和排气弹簧。
- Attach vent (yellow) hose to TC#4 and vent needle valve. 连接排气（黄）软管到测试旋塞4号和排气针形阀上。
- Boil the potato for ten minute, drain and leave to cool. 把土豆煮10分钟，去掉水份然后放在一边冷却。
- Open TC#3, needle valve "B ", and vent needle valve. 开启测试旋塞3号，针形阀“B”，和排气针形阀。
- Boil the potatoes for ten minutes,drain and leave to cool. 把土豆煮10分钟，去掉水份然后放在一边冷却。
