单词	青塘
释义	青塘 qīng táng青草池塘。
随便看	operating curve operating curve rules operating cycle Operating Cycle Flexibility operating cycles operating cycles counter operating cycle time operating cylinder operating cylinder piston operating cylinder piston head operating cylinder piston pin operating cylinder piston ring operating cystoscop operating cystoscope operating data operating data store operating date Operating day operating DC operating dead zone operating decision operating decision making operating decisions operating deck operating defect