单词	opposite group
释义	opposite group [数] 反群
随便看	mechanical prosthetic valve mechanical protection mechanical protetion of wood mechanical ptosis mechanical puddling mechanical pulp mechanical pulp board mechanical pulp-free printing paper mechanical pulping mechanical pulping process mechanical pulsing mechanical pulverization mechanical pump mechanical purchase mechanical purpura mechanical pusher ram mechanical pyrometer mechanicalpyrometer mechanical Q-switch mechanical q switching mechanical quadrature mechanical quality factor mechanical quantity mechanical quantity sensor mechanical quantity transducer sscy sscz ssdb ssdc ssdf ssdh ssdl ssds ssdw ssdz 包块包头包头的包头菜包子包孕包家包容包封包尾子