The support system shall be installed using galvanized hangers, clamps, brackets, or other attachmentdevices manufactured by or recommended by the manufacturer of the support system.
应使用管道系统制造商制造或推荐的镀锌吊架、管夹、管托或其它附件安装支架系统。
2
These devices have neither feedback pipes to control the main jet nor wall attachment effect of the jet on them.
这些装置没有反馈管来控制主喷流，也没有射流的附壁效应。它们的结构很简单可以自激振荡。
3
Quick attachment and convenient use ofdevices is a goal in embedded system.