wall tapping

... wall mounting gauge，墙装压力表 wall tapping，管壁取压口 wall-coated open-tubular column;WCOT column，涂壁空心柱 ...

 wallpressuretapping

... wallmountingpressuregauge墙装压力表 wallpressuretapping管壁取压口 wall-coatedopen-tubularcolumn WCOTcolumn涂壁空心柱 ...