1.
Rapid EDM systems for micro and small holes with high-aspect-ratio
大深径比微小孔快速电火花加工系统
2.
Study on Micro Hole Drilling with High Aspect Ratio by Micro EDM
大深径比微细孔电火花加工技术研究
3.
overall f - number
总光圈大小, 总孔径焦距比
4.
Experimental analysis of artificial deep foundation with large diameter and length shorter than 6 metres
长度小于6m的大直径人工挖孔深基础试验研究
5.
Construction technology of excavated and cast-in-place piles with a large diameter and an extra depth in karst geology
岩溶地质大孔径超深桩挖孔施工技术
6.
The optimum water depth increases as the aperture of the aerator increases.
水深较小时,宜选用孔径较小的曝气器;
7.
Research on the Cutting Performance of the Horniness Alloy Drill with Larger Length to Dirmeter
大长径比整体硬质合金深孔钻头的切削性能分析
8.
Its practicality effective aperture ratio has been improved to about92.8%, consequently the concen-tration efficiency of microlens array is increased.
其实测有效孔径比可达到92.8%极大提高了微透镜阵列的聚光效率。
9.
high efficiency drilling system for small and deep hole
高效小直径深孔钻削系统
10.
The Academic Optimization of Cutting Parameter of Machining Small-deep Hole
小直径深孔加工切削用量的实验优选
11.
Preparation of Large Size Agarose Beads by Microporous Membrane Emulsification Technique
微孔膜乳化法制备大粒径琼脂糖微球
12.
The Construction Techniques for the Deep-water and Large Aperture Drilled Piles of Hutiaomen Bridge
虎跳门特大桥深水大孔径钻孔桩施工工艺
13.
Average diameter is used in calculating certain percentages such as table size, total depth, crown height, and pavilion depth.
平均直径是用来计算一定比例如表大小,总深度,树冠高度,亭深.
14.
LARGE-DIAMETER LONGHOLE STOPING METHOD IN SPAIN
西班牙大直径深孔采矿方法考察概况
15.
Study on drill bit for large diameter core drilling of deep hole in hard rock
硬岩深孔大口径取芯钻进的钻头研究
16.
LARGE DIMETER AND OVERDEPTH STAKE BASE OF DONE MAN DIG HOLE COMSTRUCTION STUDY IN COMPLICATED LOCAL
复杂地层超深大孔径人工挖孔桩施工的探讨
17.
Stage 3: >=400 microns in diameter, pseudooperculum.
直径大于400微米（裂孔），假性包盖。
18.
Processing Technical Study for Steam DrumTemperature-Measuring Seat Small Bore Deep Blind-Hole
汽包测温座小口径深盲孔的加工工艺研究