穿孔机顶头  piercing point; Punch top

套管穿孔机  casing perforator

检孔穿孔机  verifying punch

贝氏体钢穿孔顶头  Bainite Steel- made Piercing Plug

穿顶管  roof-through pipe

穿孔顶头  piercing plug; Piercer plug

顶管穿越  crossing with pushing pipe

顶管机  pipe pusher; push bench; pipe-jacking system; Push bench pipe mill; bush bench; tube push mill; pipe jacking machine; tolemole; tube push bench

顶管机组  Push bench pipe mill; peak tube aircrew

热穿孔顶头  hot piercing plug

土压平衡顶管机  earth pressure balance pipe-jacking machine

新型穿孔顶头  New type piercing plug

移动式顶管机  dolly-mounted jack

自动轧管机顶头  automatical pipe rolling mill plug

不锈钢管穿孔  stainless steel tubes piercing

穿孔管  porous pipe; perforated tube; perforated pipe

穿孔管布水系统  perforated pipeline water supply system

穿孔管道  perforated pipe

穿孔管消声器  perforated tube muffler; perforated tube silencer