1.
Discussion on Revamping of The Large Diameter Piercing Head of 10MN Vertical Piercing Mill
10MN立式穿(扩)孔机大直径扩孔头的改造
2.
EFEAL Extended Field Elliptical Aperture Lens
可扩展扫描椭圆孔镜头
3.
a bit for enlarging the upper part of a hole.
用来扩大凿孔上部的一种钻头。
4.
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
5.
A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
埋头孔顶部扩大的孔，为使钻或螺栓的头与地面相平或在地面以下
6.
Extending Artificial Bore Stake Diameter Size and Economy Analysis;
对人工挖孔桩扩大头直径尺寸及经济性的分析
7.
Technology Method of High Speed Boring on Module’s Positioning Hole
高速镗削扩径头模块定位销孔的工艺实现
8.
Constructional technique and quality assurance of big bore hole digging and pouring with expansion pile head
大孔径扩大桩头挖孔灌注桩施工工艺及质量保证
9.
A selfmade apparatus called" fish scalelike grinding head" is employed to solve the problem, and its operation and structure are introduced.
介绍该厂用自制鱼鳞磨头解决轴孔在钻床上扩孔120μ的具体操作方法及鱼鳞磨头的结构。
10.
a soft-nosed small-arms bullet that expands when it hits a target and causes a gaping wound.
一种在击中目标爆炸时扩散并引起多孔伤害的软头子弹。
11.
Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻孔、锪孔、扩孔、铰孔、镗孔、攻丝等孔加工。
12.
To form, shape, taper, or enlarge(a hole) with or as if with a reamer.
扩，整用扩孔钻或仿佛是用扩张钻去造出、成形出、整出或扩大（某个孔）
13.
A tool with a rotating abrasive tip for enlarging holes to precise dimensions.
磨孔机带有可旋转并有磨损力的尖头的工具，可以把洞扩大到精确的尺寸
14.
Dynamic hip screw triple reaming for clearence of femoral head and neck cystic lesion
动力髋螺钉三联绞刀大转子下扩孔病灶清除植骨治疗股骨头颈部囊性变1例
15.
counterbore with guide
有导柱的平底扩充孔钻
16.
circular perforated air diffuser
环形穿孔空气扩散器
17.
the act of expanding an aperture.
一个孔穴扩大的行为。
18.
counterbore for hexagon socket head bolt
内六角头螺栓埋头孔