The deficiency of sealing off a borehole by slipping casting in the past is analysed.

1、

A drainage borehole designed depth is 584.

永城矿区某矿排水钻孔设计孔深584.

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2、

Horizontal well borehole stability is discussed by experiments in the paper.

用物理实验方法来确定井壁稳定性即井壁缩径可能性.

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3、

Shear failure is a basic failure mode of borehole rock.

井眼剪切破坏是井眼岩石基本破坏形式之一.

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4、

But the research on borehole deviation control is very few.

但在井斜控制方面的研究还很欠缺.

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5、

Borehole hydromining is a kind of safe and efficient new mining method.

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.

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6、

There is some trouble in the borehole. Don't leave the rig floor.

井下出现复杂情况, 不要离开钻台.

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7、

The magnetic memory technique was used to develop a detection system for the borehole casing pipe.

利用铁磁材料的磁记忆性,研制出了井下在役套管检测系统.

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8、

The concept of a Borel n-subalgebra, and two propositions related to it has been given, too.

给出了Boreln - 李代数的概念及其性质.

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9、

Let ν be a complete Borel probability measure on T and τ a premeasure on X.

设ν是T上的完备的Borel概率测度,τ是X上的预测度.

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10、

Digging is done by forcing the borer into the ground and twisting the handle.

把钻孔器用力插进地里,转动把手,就可以实现挖掘.

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11、

Dose the Wood-borer Sphaeroma terebrans ( Crustacea ) Shapes the Distribution of the Mangrove Rhizophora mucronata?

蛀木生物钻刺团水虱是否改变红茄冬红树林的分布形状?

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12、

Efforts to stop the spread of the emerald ash borer include cutting down affected trees.

防止花曲柳窄吉丁扩散的努力还包括砍去受害树木.

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13、

The Motsoh ( Anoplophora glabripennis ) is a notorious Trunk borer, which eats the woodand settles in wood.

光肩星天牛[Anoplophoraglabripennis ( Motsoh ) ]因其幼虫钻蛀木材,是著名的林业蛀干害虫.

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14、

The invasion of the emerald ash borer was first discovered near Detroit, Michigan, in 2002.

这种外来的翠绿色的白腊树虫于2002年在密歇根州的底特律市发现.

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15、

Cryptorrhynchus lapathi is an important trunk borer of poplar and nationwide object of forest plants quarantine.

杨干象是杨树重要的蛀干害虫,为全国性森林植物检疫对象.

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16、

Ash trees can resist many diseases. But they cannot resist the emerald ash borer bark.

白蜡树可以抵御许多病害, 但是不能抵抗花曲柳窄吉丁.

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17、

A new species of Glyptapanteles Ashmead Foerster attacking litch fruit borer Conopomorpha sinensis Bradley ( Hymenoptea: Braconidae )

寄生荔枝蒂蛀虫的刻绒茧蜂属一新种 ( 膜翅目: 茧蜂科 )

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18、

It contains genes that allow it to resist infestation by the corn borer.

这种玉米中含有能够抵御玉米螟的基因.

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19、

The completed rate of raise borer is an important mark of measuring its operating efficiency.

天井钻机的成井速度是衡量其工作效率的重要标志.

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20、

This poison helps the plants resist insect, especially the maize borer.

毒素可以帮助农作物抵抗害虫, 尤其是玉米钻孔虫.

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