他回过身来，做一个双止回阀。
系列719双止回阀总成应该安装在每个标注的位置上。
Series 719 Double Check Valve Assembly shall be installed at each noted location.
这种双止回阀应该是美国瓦茨调节阀公司的系列CU7。
The dual check shall be Watts Regulator Company's Series CU7.
双止回阀总成用于低危险交叉连接和持续压力应用场合。
DOUBLE CHECK VALVE ASSEMBLY For Low Hazard Cross-connections and continuous pressure applications.
双止回阀应该具有两个用于在线维修的、安装在顶部的盖子。
Dual check shall have two top-mounted covers for in-line service.
这种双止回阀应该具有三个塞式检测端口，应该能够进行在线检测。
The dual check shall have three plugged test ports and shall be capable of being tested in-line.
这种双止回阀检测总成应该安装在与饮用水管道连接的消防系统上。
A Double Check Detector Assembly shall be installed on fire protection systems when connected to a potable water supply.
这种双止回阀检测总成应该安装在与饮用水管道连接的消防系统上。
Double Check Detector Assembly shall be installed on fire protection systems when connected to a potable water supply.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
系列709双止回阀总成适用于防止受到污染的水回流进入到饮用水系统中。
Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
旁路总成包括一个可记录加仑或立方米的水表，一个双止回阀总成和所需的测试旋塞。
The bypass assembly consists of a meter registering either gallon or cubic measurements, a double check assembly and required test cocks.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
系列709DCDA双止回阀检测器总成专用于满足水主管部门的密封要求的应用场合。
Series 709DCDA Double Check Detector Assemblies are designed exclusively for use in accordance with water authority containment requirements.
另外，你可以自由地定义董事会规模和启动“双止回阀”选项，它允许捕捉敌人的石头。
Additionally, you can freely define the board size and activate the "pair check" option, which allows to capture enemy stones.
在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。
Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.
双止回阀总成应该安装在每个值得注意的位置，用于防止污水出现不需要的回流而流进饮用水供应系统中。
A Double Check Valve Assembly shall be installed at each noted location to prevent the unwanted reversal of polluted water into the potable water supply.
注意：双阀瓣止回阀能够安装在水平或流向朝上的垂直位置。
NOTE: Twin Disc Check Valves can be installed horizontally or in the vertical position with flow up.
双瓣止回阀主要由阀体、阀瓣、阀杆及弹簧等重要零件组成，并采用薄型轻巧设计。
Double disc check valve consists of body, disc, valve rod and spring and other parts. The valve is designed with slim light weight.
我们的产品线包括：闸阀，止回阀，截止阀，止回阀，双板的止回阀，高性能蝶阀。
Our product line includes: Gate valves, Check valves, Globe valves, Non-Return valves, Dual-Plate Check valves, and High Performance Butterfly valves.
我们的产品线包括：闸阀，止回阀，截止阀，止回阀，双板的止回阀，高性能蝶阀。
Our product line includes: Gate valves, Check valves, Globe valves, Non-Return valves, Dual-Plate Check valves, and High Performance Butterfly valves.
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