单词	piston ring pin
释义	piston ring pin 活塞环销
随便看	conditional vegetation cover ratio conditional vice probability conditional vitamin deficiency Conditional Volatility conditional volatility-skewness-kurtosis conditional waiver conditional watch conditional weight terms conditional will conditional yield limit conditional yield point conditional ZIP Condition analyses hydrogeololgy condition analysis condition analysis method Condition,Anatomical Pathological condition and advantage condition and exception as per charter party condition and exceptions Condition and problem Condition And Recommendation condition and resource Condition and Route conditionary conditionary periodic motion