1.
solid carbide subland drill
整体硬质合金阶梯钻
2.
STEP HOLE DRILLING METHOD FOR MEASURING PLANE RESIDUAL STRESSES IN DEEP LAYER
钻阶梯形孔法测量深层平面残余应力
3.
Nonlinear Mechanic Analysis and Application of Drillstring for Stairs Horizontal Well;
阶梯水平井钻柱非线性力学分析与轨道设计
4.
The optimization design and experimental research on percussion-compact step drill bit
阶梯式冲击挤密钻头结构优化设计及试验
5.
escalator tunnel
阶梯式自动电梯隧道
6.
hierarchic structure
阶梯结构 -宇宙学
7.
the horizontal part of a stair or step.
楼梯或台阶水平部分。
8.
aluminum step coverage
氧化物阶梯的铝覆盖
9.
lower echelon automatic switchboard
低级阶梯自动配电盘
10.
autorefrigerated cascade reactor
自冷冻阶梯式反应器
11.
cascade arrangement of tanks
电解槽的阶梯式排列
12.
linear staircase function generator
线性阶梯式函数发生器
13.
step graded index lightguide
阶梯折射率剖面光波导
14.
A file of passengers was coming down the steps.
旅客鱼贯走下阶梯。
15.
They bolted down the gangway and took their tickets.
他们跑下阶梯，买好了票。
16.
She set her basket down on a doorstep.
她把篮子放在阶梯上。
17.
Please help me over the stile.
请扶我跨过这个阶梯。
18.
The broom went up and down the steps.
扫把在阶梯爬上爬下，