查询词典 step down

Step off：量出

step motor 步进式电动机 | step off 量出 | step out n. 失调

step off pads：污染隔离垫

反应度梯级增加 step insertion of reactivity | 污染隔离垫 step off pads | 分级穿透计 step penetrometer

step cleated riser：梯级竖板

step chain wheel 梯级链轮 | step cleated riser 梯级竖板 | step demarcation lighting 梯级照明

damming step：[坝]壅水梯级

cirque step 冰斗阶地 | damming step [坝]壅水梯级 | flight of step 阶梯,步级,梯段;飞行;链板

step faults：阶状断层

step fault scarp 阶状断层崖 | step faults 阶状断层 | step relief 梯状地形

step faults：阶状断层 ; 阶梯断层

"step distance","对比阶距(电测)" | "step faults","阶状断层 ; 阶梯断层" | "step-out drilling","延展钻井"

striding step：跨步

132.并步:level step | 133.跨步:striding step | 134.跳步:jumping step

back step sequence：后退焊接顺序

back step method 逐步退焊法 | back step sequence 后退焊接顺序 | back step welding 逐步退焊法

back step sequence：[后]退焊顺序

[后]退焊法 back step method | [后]退焊顺序 back step sequence | [后]退焊接 back step welding

Step hole trim retaining block：踏板孔饰物固块

step hole trim l/hand: 左踏板孔饰物 | step hole trim retaining block: 踏板孔饰物固块 | step 负重踏步机

seal oil pressure：密封油压

"seal of bearing ","轴承密封" | "seal oil pressure ","密封油压" | "seal ring ","密封环,止漏环"

osteographer：骨论学家

choreographer舞蹈动作的设计者 | osteographer骨论学家 | glyphographer电刻者