单词	major jointing
释义	major jointing 主节理
随便看	economiz-energy economize on economize on electricity economize on energy economize on energy material economize on food and clothing economize on fuel economize on manpower economize on manpower and material resources economize on raw materials economize on social labor economize on the use of funds economize on water economizer economize raw materials economizer band economizer bank economizer body economizer conic valve economizer cycle economize resources campuses economizer fin-tube economizer heating surface economizer hopper economizer hopper passage plug