短語詞組短語step -on-coil energization 步進(jìn)式線圈激勵(lì)Step -delivery and on-time delivery 按階梯給藥和按時(shí)給藥Spring Step Streetwise Slip -On 彈簧步街頭滑動(dòng)rearward -facing step on circular cylinder 圓柱面上后向臺(tái)階繞流 返回 step-on