upper – phrases

Terms for subject Drilling containing upper | all forms | exact matches only

English	Chinese
caliper upper limit	井径仪最大跨度
dual upper casing	双层上部套管
radial bearing upper drive sub	螺杆钻具上部径向轴承传动接头
upper blade block	上部刀刃
upper block	断层上盘
upper guide bushing	泥浆泵上水阀阀杆扶正套
upper pickup	游动滑车上升最高点
upper pipe ram	上环形闸板
upper plug	注水泥用上木塞
upper seal support	方钻杆防溅阀上密封座
upper zone of dual	双层完井的上层