单词	公共关系咨询委员会
释义	公共关系咨询委员会 PRAC
随便看	constant-head flowmeter constant-heading square constant-head meter constant head of water apparatus constant-head orifice turnout constant head permeability test constant head permeameter constant head tank constant head vessel constant heat cabinet constant heat cabinet for infant Constant heat flux constant heat flux boundary constant heat flux heating constant heating effect constant heating rates sintering Constant heat input constant heat oven constant heat summation constant-height balloon constant-height chart constant height surface constant-height surface constant helm plan constant hereditability