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1.
Performance on the Orifice Energy Dissipation and Decompression Equipment of the Step and Spiral-orifice Style
阶梯螺旋孔口式孔板消能降压装置性能
2.
hydraulic gait-model all-auger drilling machine
液压步履式螺旋钻孔机
3.
Methods: The root canal with root canal orifice burs and helical drilling bits were prepared in advance.
方法:采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管。
4.
insert(a screw or bolt)into such an enlarged hole
将(螺钉或螺栓)旋入埋头孔中.
5.
A vertical support at the center of a circular staircase.
螺旋楼梯中柱环行楼梯中间的垂直支撑
6.
Double-helix staircases link all three levels.
双螺旋楼梯将上下三层连接了起来。
7.
STRUCTURE ASSESSMENT AND STRENGTHENING ON A 84 M-HIGH COCKLE STAIRS BUILT IN A SCENERY ZONE
84m高旅游螺旋梯安全验算及加固
8.
STEP HOLE DRILLING METHOD FOR MEASURING PLANE RESIDUAL STRESSES IN DEEP LAYER
钻阶梯形孔法测量深层平面残余应力
9.
Design Of Clamping Apparatus For Step Boring With Ordinary Milling Machine;
在普通铣床上镗阶梯孔的铣夹头设计
10.
Research on Channel Checking in Hydraulic Manifold with Complex Ladder Holes
液压集成块复杂阶梯孔系孔道校核方法研究
11.
The rotating cylinder with spiral grooves acts as a speed selector.
螺旋切口的旋转圆筒作为速率筛选器。
12.
Propeller fans exhaust air through holes in the wall.
螺旋式通风机从壁孔中排出空气。
13.
An experimental study of the auger bored cast-with-pressure concrete pile on soft ground
软土地区长螺旋钻孔压灌桩试验研究
14.
Study on the Reliability of the Auger Bored Cast-with-pressure Concrete Pile
长螺旋钻孔压灌混凝土桩可靠度研究
15.
Usefulness of spiral CT for diagnosing gastroduodenal perforation
螺旋CT对胃、十二脂肠穿孔的诊断价值
16.
FEM for a type drilling-perforating casing with screw holding in open hole completion
裸眼完井螺旋钻孔-射孔套管的有限元分析
17.
Objective: To introduce a new prefabricated post-and-core system, a helical drilling bit and a prefabricated post-and-core consisting of a root canal orifice bur which was designed by the author.
目的:介绍一种由螺旋型根管钻、行设计的根管口台阶状车针、成桩核组成的预成桩核系统。
18.
The staircase winds upwards round a central pillar.
这座楼梯绕着中间的柱子向上呈螺旋状.