PROBLEM TO BE SOLVED: To provide a backflow prevention device which smooths a motion of a valve body by suppressing resistance of contact between the valve body and a guide part and which does not structurally cause a malfunction even when rapid back-flow water abuts on the valve body....
倒流防止器 Backflow prevention device张明亮王学成耿仁兵
1. 倒流防止设备 机械专业英语词... ... backflow preventer 防回流装置;倒流防止器backflow-prevention device倒流防止设备backflush 反向洗 … www.mapeng.net|基于3个网页 2. 回流防止设施 土木工程编译词汇B-1... ... 回流防止器 Backflow preventer回流防止设施Backflow-prevention device倒车辙轨距 Back-gauge...
网络倒流防止设备;回流防止设施 网络释义
American Backflow Specialties Inc. - Your number one source for Backflow Prevention Assemblies and Backflow Repair Part Kits | 619-527-2525
We provide testing, repairs, installation and service for backflow prevention assemblies throughout theFIVE BOROUGHS AND ALL OF LONG ISLAND, NEW YORK. If you are searching for quality service, look no further as ours is second to none! Each and every RPZ and backflow device must be certified ...
Backflow Prevention Device Inspections, Inc Provides Backflow Testing and Backflow Services State Wide Including: Phoenix, Scottsdale, Mesa, Glendale, Tempe, Chandler, Peoria, Sun City, Litchfield, Avondale, Gilbert, Queen Creek, Apache Junction, Wickenburg, Globe, Tucson, Casa Grande, Flagstaff, Pays...
BACK-FLOW PREVENTION SUPPORT DEVICE PROBLEM TO BE SOLVED: To provide a back-flow prevention support device for setting functions or behaviors of an element or a circuit that performs backflow prevention of a feed passage of direct current power, capable of avoiding unneces... I Nao,石澤 尚,...
BACK-FLOW PREVENTION SUPPORT DEVICE PROBLEM TO BE SOLVED: To provide a back-flow prevention support device for setting functions or behaviors of an element or a circuit that performs backflow prevention of a feed passage of direct current power, capable of avoiding unneces... I Nao,石澤 尚,...
We are leading OWWA Certified Cross-Connection Control/Backflow Prevention Specialists working in the provice of Ontario to fulfill your backflow prevention Testing, Installation, Survey, and Repair needs.