“bonnet valve”可以造什么句，bonnet valve造句
来源：语文精选馆 3.46W
Pacific cast steel bolted bonnet valves are supplied in a wide range of body/ bonnet materials and trims.
"Where higher operating pressures approach 150 psi, Class 150 union bonnet valves of like construction will be used. Valve ends may be threaded or solder-type."
MATERIAL AND SERVICE– Cast steel bolted bonnet valves are available in a variety of body/ bonnet materials and trims.
