Ultrasonic testing technique of trench in continuous concrete wall;
地下连续墙槽孔的超声波检测技术
By using the ANSYS/LS-DYNA 3D nonlinear dynamic finite element software, the elasticity calculation model was established to analyze the generation and transmission of stress under explosive charge in 9-holes cutting patterns, yielding the stress distribution cloud atlas and stress-time curves of some typical elements of the mode in different time.
采用ANSYS非线性三维动力有限元软件,对坚硬岩石条件下九孔掏槽方式,在炸药爆炸荷载作用下应力产生、传播机理,进行了计算机数值模拟。
The kibble hole arrangement optimization of tunnel digging blasting of Daanshan mine
大安山矿巷道掘进爆破掏槽孔布孔优化
Study of Method of Conducting Smooth Blasting in Weak and Soft Surrounding Rocks
软弱围岩中光面爆破掏槽孔方案研究
Technology of rapid coring in underground continuous wall trench
地下连续墙槽孔内快速取芯施工工艺
Square files are used to enlarge square and rectangular openings, filings, slots, keyways and other similar purposes.
主要是为了扩大方形和长方形、锉削、槽孔、键槽和其他相似的用途。
Study on the Failed Mechanism and Experiment of Spiral Notch-holes Blasting;
螺旋切槽孔松动爆破力学机理及试验研究
D. Clean the slots of O-rings, Talfon slots, body spindle and spherical surface intensively.
形环沟槽，铁氟沟槽，主体轴心孔及球面加强清洗。
Study on Effect of Symmetry of Wedge-shaped Cutting Hole Angle on Cut Blasting
楔形掏槽炮孔角度对称性对掏槽效果影响研究
guttering of porous common pottery
普通多孔陶质料制的雨槽管
Slotted capstan screws
GB/T832-1988开槽带孔球面圆柱头螺钉
carbide-tipped internal turning recessing too
硬质合金内孔切槽焊接车刀
The keyhole of a cylinder lock.
钥匙槽圆柱形锁的钥匙孔
Precise Machining Technology of Thin-Wall and "Deep-Hole" Inner-Conductor Chocke-Slot
内导体薄壁“深孔”扼流槽精密加工技术
Characteristics of the differential pressure signals of slotted orifice based on higher-order statistics
槽式孔板差压信号的高阶统计量特征
Rock-socketed Diaphragm Retaining Wall Construction Using Punching Groove Section Technology
嵌岩地下连续墙冲孔槽段施工新工艺
A groove or hole scooped with or as if with such a chisel.
凿孔；凿槽用凿挖出的或象是用这种凿子挖出的槽沟或空穴
The changes of the nostrils and the gaps of the cleft alveolar and palate in the infants with cleft lip and palate after presurgical nasoalveolar molding therapy
唇腭裂婴儿术前鼻牙槽骨塑形治疗后鼻孔、牙槽和腭部裂隙的变化
The locking structure includes projections projecting into the slots that engage holes through the longitudinal ends.
锁紧装置包括卡楯伸进凹槽、过纵向末端的小孔。
Numerical Simulation Research of Charging Optimization in Spiral Cutting Blasting in Medium Deep Bore
中深孔掏槽爆破装药优化的数值模拟研究