孔

You can also insert cylindrical and conical bores.

您也可以插入圆柱孔与圆锥孔。

As for 3-layer constrained via minimization problem (3CVM), a heuristic approach on the basis of segment-crossing graph model is presented. Two types of algorithm, global sense and local sense are combined into our algorithm.

对三层布线的通孔最少化问题（3CVM），提出了一个启发式算法，以线段—相交图为模型，分总体优化和局部优化两步对三层详细布线进行通孔优化处理。

When the first circuit board and the second circuit board are electrically superimposed, the first noncircular contraposition hole and the second noncircular contraposition hole are superimposed substantially.

第一电路板与第二电路板电性迭合时，第一非圆形对位孔及第二非圆形对位孔实质上重叠。

Drill tools, coring bit and casing bit have been designed and a complete set of equipments and tools have been formed. Rules of operation have been made to operate these equipments more proficiently.

完成了空气潜孔锤跟管取心钻具、取心钻头、套管钻头的研制，并配套了合理的设备和器具，制订了实用、操作性强的空气潜孔捶跟管取心钻进技术规程。

ObjectiveTo study the technological parameters of purification of total glycoside from Cornus officinalis with macroporous resin.

目的应用大孔吸附树脂对山茱萸中环烯醚萜苷类成分进行分离纯化，考察大孔树脂纯化山茱萸总苷的工艺参数。

The results indicate that there is less correlativity between the pore structure and the properties of CWS.

结果表明，煤的孔结构特性对水煤浆性质的影响较为复杂，主要是煤的大孔结构对煤浆成浆性的影响。

An auxiliary seal is seated in the counterbore and seals the first bore.

一个辅助密封件支承在沉孔内并对第一孔进行密封。

Its sophisticated products can be widely used in machining of drilling, reaming, Reaming, Tapping countersink flat and so on.

其精良的产品可广泛应用于机械加工中的钻孔、扩孔、铰孔、锪平面及攻螺纹等。

This is the way most blues, rock, and country players will use the diatonic harmonica.

这是十孔口琴最常用的把位，大多数蓝调、摇滚、乡村的十孔口琴演奏最常用第二把位。

Sphenopalatine foramen, crista vidian canal,foramen rotundum are the important landmarks of bone.

2蝶腭孔、翼管嵴、圆孔是术中辨认翼管的重要骨性标志。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。