词汇	plunger magnet
释义	plunger magnet 插棒式磁铁,带磁铁的螺线管
随便看	productivity forces productivity forecast productivity formula productivity function productivity gain productivity growth productivity hypothesis productivity impairment productivity improvement productivity improvement and control sys Productivity Improvement and Control System Productivity Improvement and Price Alteration productivity increase productivity index productivity in Services Productivity Integrated Measurement System productivity intellectuality Productivity Investment Fund productivity investment project productivity issue productivity key productivity labor hours method productivity labour hour method productivity layout productivity level