1.
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
2.
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
3.
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
4.
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
5.
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。
6.
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
7.
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
8.
LARGE-DIAMETER LONGHOLE STOPING METHOD IN SPAIN
西班牙大直径深孔采矿方法考察概况
9.
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
10.
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
11.
Stage 3: >=400 microns in diameter, pseudooperculum.
直径大于400微米（裂孔），假性包盖。
12.
Elimination of Burning-on in Blind and Tenuous Hole in Negative Pressure Lost Foam Casting
消失模铸造中盲孔及细深孔粘砂问题的解决途径
13.
Research on Deep Small Hole Machining Based on Analysis of Flow Field
基于流场分析的微细电火花深小孔加工的研究
14.
Research development and analysis of the key technologies of micro deep holes machining
微细深孔加工研究进展及关键技术分析
15.
Rising temperature of casting solution will increase the water flux, porosity and average pore size of PVDF membrane.
制膜液温度升高，得到微孔膜的孔隙率、通量及平均孔径都增大。
16.
overall f - number
总光圈大小, 总孔径焦距比
17.
Type selection of ф3.40m large diameter and deep hole drilling equipment for No 3 main tower pier of Wuhan Tianxingzhou great Yantze River bridge;
武汉天兴洲长江大桥3号主塔墩ф3.40m大直径深孔钻孔设备选型
18.
Broe gauges are used to measure internal hole dimensios and shape errors of different diameter and depth by comparative method.
内径百分表适用于比较法测量不同直径和深度和内孔尺寸及误差。