1.
Optimization study of drilling riser guiding holes
海上钻井隔水导管导向孔位置优化研究
2.
Sprocket holes: Feed holes in paper tape.
刺轮孔:纸带上，引导纸带向前的小孔。
3.
make a small hole in something as a guide for a drill.
在某物上做一个小孔，好像为钻孔机做向导。
4.
The Optimal Design About the Trajectory of Non dig Guided Boring
非开挖导向钻进钻孔轨迹的优化设计
5.
Mesoporous Aluminophosphates and Titanosilicates Assembled from Preformed Precursors;
导向剂法合成磷酸铝和钛硅介孔材料
6.
Study on Trajectory Measurement Technology of the Point-the-Bit Rotary Steerable Drilling System
指向式旋转导向钻具钻孔轨迹测量研究
7.
Study on the guiding device for robot of ESM curved hole
曲线孔电火花加工机器人导向装置的研究
8.
The Reasonable Distribution and Design of Guidance Blocks for Deep-hole Drills by Internal Chip Removal
内排屑深孔钻导向块的合理分布及设计
9.
Synthesis and Characterization of Mesoporous Titanium Templated by Block Copolymers;
嵌段共聚物导向下介孔TiO_2的合成与表征
10.
The Design of Double-Ridge Waveguide Directional Coupler with Unsymmetrical Cross Holes
非对称十字孔双脊波导定向耦合器的设计
11.
Experiment of drying rapeseed by spouted bed with a porous branch rotating draft tube
开孔支管旋转导向管喷动床干燥油菜籽试验
12.
Make Use Guide Drill Case Drill a Hole Lead to of Deviate Heart of a Drill
使用导向钻套钻孔引出的中心偏移问题
13.
Acoustoelastic Effects on Reflection and Transmission of Elastic Waves and Guided Waves in a Borehole Surrounded by a Transversely Isotropic (VTI) Elastic Solid;
弹性波折、反射与横向各向同性（VTI）介质井孔导波声弹效应研究
14.
Synthesis and Characterization of Novel Mesoporous Molecular Sieves Templated by Block Copolymers;
嵌段共聚物导向下新型介孔分子筛材料的合成与表征
15.
Preparation of Mesoporous Zirconia Templated with Two Cationic Surfactants;
两种阳离子表面活性剂导向制备介孔氧化锆的研究
16.
Study of Guiding Effect of Slow Highly Charged Ions by Capillary Membranes in Insulators
绝缘材料微孔膜对低能高电荷态离子束的导向效应研究
17.
AEC Tri-Block Anionic Surfactant Templating Mothod for Synthesizing Thick-Wall Mesoporous Materials
AEC三嵌段阴离子型表面活性剂导向法合成厚壁介孔材料
18.
Functional-template directed self-assembly (FTDSA) of mesostructured organic-inorganic hybrid materials
功能模板导向的自组装合成介孔结构有机/无机复合材料