It is used with single line and double line system by pipingline.
它是用单线及双线系统管道路线。
2
Analyses and compares water standard, water treatment process, water supply pipingline, system, pipe materials and other problems in the piping drinking water system.
本文对管道直饮水系统中用水标准、水处理工艺、供水管网、管材选用等问题进行了分析比较。
3
Reactor transients, rupture of the primary piping, steam line breaks, loss of flows and so forth.