Approved by the foundation for cross - connection control and hydraulic research at the university of southern california 通过位于美国南加州大学内的美国交叉连接控制和水利研究基金会的认证。
Series 775 double check valve assemblies provide protection of the potable water supply for non - health hazard cross - connections 系列775双止回阀总成防止交叉连接处非健康危害的流体污染饮用水供应系统。
As complied from documented foundation for cross - connection control and hydraulic research at the university of southern california lab tests 获得位于美国南加州大学内的交叉连接和水研究基金会的认证。
As compiled from documented foundation for cross - connection control and hydraulic research at the university of southern california lab tests 由位于美国南加州大学内的美国交叉连接管理与水研究基金会的文件编制。
Approved by the foundation for cross - connection control and hydraulic research at the university of southern california , manual section 10 通过位于美国南加州大学内的美国交叉连接管理和水研究基金会和手册第10节的认证。
Series ss007qt stainless steel double check valve assemblies provide protection of the potable water supply for non - health hazard cross - connections 系列ss007qt不锈钢双止回阀总成为非健康危害交叉连接处的饮用水提供保护。
As compiled from documented foundation for cross - connection control and hydraulic research at the university of southern california lab tests 从位于美国南加州大学内的美国交叉连接控制和水力研究基金会测试实验室文件中编制。
Meets requirements of asse 1056 , iapmo , approved by the foundation for cross connection control & hydraulic research at usc 满足美国卫生工程师协会( asse ) ， iapmo和位于美国南加州大学内的美国交叉连接控制和水力研究基金会的标准。
Only those cross - connections identified by local inspection authorities as non - health hazard shall be allowed the use of an approved double check valve assembly 只有那些经过当地审查主管部门认定的交叉连接才允许采用双止回阀总成。
It combines the traditionally separated network elements such as independent adm equipment , cross connect equipment , atm and ip switchrouter 该设备可将传统上分离的网络单元（如独立的adm设备、交叉连接设备， atm和ip交换路由器）综合在一起。
