单词	oral proper cavity
释义	oral proper cavity 固有口腔
随便看	pollution,contamination pollution, contamination pollution contribution pollution controi pollution control pollution-control pollution control ability pollution control and emission reduction pollution control and prevention Pollution Control Board pollution control bond pollution-control cost pollution control costs pollution control economic incentives pollution control efficiency pollution-control efforts pollution control engineering pollution control equipment pollution control expense pollution control facility pollution control function Pollution control has cleared the air pollution control index Pollution Control in Hydraulic System pollution control in petroleum exploitation