1.
tap(ping) drill
螺丝孔钻，螺丝底孔钻
2.
Hydraulic Model Tests on Bottom and Middle Outlets for Three Gorges Project
长江三峡水利枢纽底孔和深孔水力学研究
3.
Flow Surface Construction at the Bottom in No.2 Diversion Tunnel of Double Arch Dam of Xiaowan Hydropower Station
小湾双曲拱坝2号导流底孔底板过流面施工
4.
Model Tests of Pressure Conduit of Bottom Outlet of Kalasuke Reservoir;
喀腊塑克水库底孔水工模型试验研究
5.
counterbore with guide
有导柱的平底扩充孔钻
6.
embroidery ,openwork, with visible ground
透孔刺绣,有可见底布
7.
digital display measuring instrument for motor mounting hole
电机底脚孔数显测量仪
8.
Research on Mechanics of Charging Structure of Bottom Gas-Space in Deep-hole Blasting Engineering;
中深孔爆破孔底空腔装药机理的研究
9.
The container was filled with water that dripped through the hole.
容器底有个小孔容器内装满水，水通过孔滴下。
10.
Post pressure grouting of borehole cast-in-situ pile bottom and its quality control
钻孔灌注桩孔底后压浆施工工艺及质量控制
11.
The Study of High Bauxite Porous Ceramics and the Preparation of Porous Ceramics Bulk;
高铝质多孔陶瓷的研制及多孔衬底的制备
12.
Study of Numerical Simulation of Fan-pattern Hole Bottom Distance of Xiaodonggou Molybdenum Mine
小东沟钼矿扇形炮孔孔底距数值模拟研究
13.
Analysis and treatment on pile bore checking collapse accidents of large diameter bored perfusion pile
大口径钻孔扩底灌注桩在孔形检测时的塌孔分析及处理
14.
The first： It could develop the excellent cleansing ability and clean the pore thoroughly.
第一重：发挥优异洗净力，彻底清洁毛孔。
15.
Resultsbleed lie by nose bottom and posterior nares has 16 cases, accounts for 18.39%;
结果位于鼻底、后鼻孔出血16例,占18.39%;
16.
④String like enhancement passing nerve foramen in skull base.
④穿过颅底神经孔的条状强化影。
17.
Thoroughly clean the surface of tube around puncture .
彻底清洁内胎穿孔周围的表面。
18.
The adjacent card rows at the bottom of a punch card.
穿孔卡片的底部各邻接的行。