double shovel的相关资料：
临近单词
doubleknit
double
double glow plasma surface chromizing
Double liquid cooling magnetic cobber
double-deck rectangle phase grating
double buffered paper electrophoresis
double-circular beam bracing system
double-base three-phase structure
Double common carotid artery ligation
double side-wall heading excavation
double feed automatic hosiery machine
double frequency-difference ranging
