步进 – phrases

Terms for subject Oil / petroleum containing 步进 | all forms | in specified order only

Chinese	English
技术进步	technical advance
步进	stepping
步进	step forward
步进器	stepper
步进器	ledex
步进扫描	step-scan
步进操作	step-by-step operation
步进记录器	incremental recorder
步进试验	step-by-step test
科技进步	scientific-technical progress
进入同步	fall-in
进步	advancement