1.
A Dual Tube Auger for Unsaturated Loess Drilling
一种用于非饱和黄土钻探的双管螺旋钻
2.
a plumber's snake for clearing a trap and drain.
清洁排水管的螺旋钻。
3.
electron-nuclear double resonance helix
电子-核子双共振螺旋管
4.
ectron-nuclear double resonance helix
电子核子双共振螺旋管
5.
toroidal coupled MWD
螺旋管耦合随钻测量系统
6.
Construction technology of a long spiral drilling pipe CFG pile
浅谈长螺旋钻管内泵压CFG桩施工工艺
7.
auger with valve
(钻浅井用) 带阀螺旋钻具
8.
paranemic spiral
平行螺旋，反向双股螺旋
9.
FEM for a type drilling-perforating casing with screw holding in open hole completion
裸眼完井螺旋钻孔-射孔套管的有限元分析
10.
Long spiral tube pump pressure drilling CFG pile composite foundation construction technology
长螺旋钻孔管内泵压CFG桩复合地基施工技术
11.
Double DNA Helix of Enterprise Management--Lean Six Sigma;
企业管理的DNA双螺旋-精益6西格玛
12.
screw-feed diamond rig
螺旋给料式金刚石钻机
13.
hydraulic gait-model all-auger drilling machine
液压步履式螺旋钻孔机
14.
auger backfiller
万能螺旋钻式回填机
15.
drill ,spiral, interchangeable, of base metal
可互换螺旋钻,贱金属制
16.
Each rung is a letter in a chemical alphabet limited to just four symbols.
其形状为一个双螺旋，象是一个长梯子被拧成了开塞钻似的。
17.
Methods: The root canal with root canal orifice burs and helical drilling bits were prepared in advance.
方法：采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管。
18.
a bit or drill having deep helical grooves.
有深螺旋状凹槽的一种钻头或钻井。