The Design of Steering Wheel and Lever-opening Dibbler and Analog Simulation of the Shape of Soil Hole
舵轮式杠杆开启穴播器的设计分析及穴孔形状仿真模拟
a curved shape in the vertical plane that spans an opening.
横越洞穴的垂直平面上的曲线形状。
multicellular glass in blocks, panels, plates, shells or similar forms
多孔玻璃,呈块状、板条状、平板状、壳状或类似形状
If tubular frames are used for the construction of berths, they should be completely sealed and without perforations which would give access to vermin.
如床架为管状材料，应将它们完全封闭，不留孔穴，以免害虫进入。
the act of expanding an aperture.
一个孔穴扩大的行为。
Influence of Aperture Shape on Extraordinary Transmission Through Periodically Perforated Metal Films
孔阵形状对周期孔阵金属薄膜透过率的影响
Characteristics of vertical sharp-edged orifice discharge(Ⅲ) Effect of geometry on orifice discharge coefficient
垂直锐边孔口的自由出流特性(Ⅲ)孔几何形状对孔流系数的影响
the edge of both flaps was rolled up and the posterior flap was turned up into a "hook" or "barrette".
裂孔边缘特别是后瓣多翻卷形成钩状或发夹状。
A rounded eyelike marking, as on the tail of a peacock.
眼状斑点圆形眼状的斑点，如孔雀尾巴上的
Research on Shape Distortion in Bore-Expanding Process with Titanium Alloy Sheet
钛合金板扩孔成形中的形状畸变现象研究
Shape distortion in bore-expanding process with TA2M titanium sheets
TA2M钛板扩孔成形中的形状畸变现象研究
cavity formation
空腔形成,空穴成形
Studies on the Media, Hole of Plug and Fertilizer Regime of Plug Seedling in Cucumber (Cucumis Sativas L.);
黄瓜穴盘育苗基质、穴孔及施肥技术的研究
The most widely used form is PEACOCK, so named because the pattern of its X rays can resemble a peacock's tail.
运用最广的一种形式是“孔雀”。 之所以称之为“孔雀”是因为它的X射线形状象孔雀的尾巴。
Microstructure and Pore Structure of Porous NiTi Shape Memory Alloys Prepared by Self-propagating High-temperature Synthesis
自蔓延燃烧合成多孔NiTi形状记忆合金的显微组织和孔隙结构
Deformation behaviors and constructive relation of lotus-type porous copper under compressive direction perpendicular to pores
藕状多孔铜沿垂直于气孔方向的压缩变形行为与本构关系
metal device shaped in such a way that when it is inserted into a lock the lock's mechanism can be rotated.
当插入锁孔锁能转动的有一定形状的装置。
a utensil with a conical ridged center that is used for squeezing juice from citrus fruit.
有从柑橘类水果榨果汁的圆形皱状心孔的器具。