The influences of variant heat treatment processes(two-stage annealing and solution strengthening) on the mechanical properties and the microstructure of TC18 titanium alloy large forgings were investigated through detections of mechanical properties as well as microstructure & XRD phase analyses.
采用两阶段退火和固溶强化两种典型的热处理制度,通过力学性能检测、显微组织分析和XRD物相分析,系统研究了整体热处理工艺对TC18钛合金大型锻件组织和性能的影响。
Test research of hydraulic power steering gear under the road excitation of ladder road;
汽车液压动力转向器在阶梯路面激励下的试验研究
A Study of Giving Lectures on Computer Fundamental Konowledge in Universities and Colleges by Employing Laddered and Task-stimulated Mechanism on Different Subjects;
高校计算机基础知识的分科阶梯式任务驱动机制授课研究
It introduces one kind of new technology—— "ladder"-like sealing off a borehole by slipping casting.
提出了一种针对深钻孔的注浆封孔新方法——"阶梯"式注浆封孔方法。
escalator tunnel
阶梯式自动电梯隧道
hierarchic structure
阶梯结构 -宇宙学
solid carbide subland drill
整体硬质合金阶梯钻
aluminum step coverage
氧化物阶梯的铝覆盖
lower echelon automatic switchboard
低级阶梯自动配电盘
autorefrigerated cascade reactor
自冷冻阶梯式反应器
cascade arrangement of tanks
电解槽的阶梯式排列
linear staircase function generator
线性阶梯式函数发生器
step graded index lightguide
阶梯折射率剖面光波导
A file of passengers was coming down the steps.
旅客鱼贯走下阶梯。
They bolted down the gangway and took their tickets.
他们跑下阶梯，买好了票。
She set her basket down on a doorstep.
她把篮子放在阶梯上。
Please help me over the stile.
请扶我跨过这个阶梯。
The broom went up and down the steps.
扫把在阶梯爬上爬下，
It is very big, and has many stairs.
它非常大，有许多阶梯。
Wait until I come up the steps...
等我爬上阶梯再说……。”
Each flight of stairs has 20 steps.
每段阶梯有二十级。
echelon strapping
阶梯式绕带(耦合带)