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孔底

n.bottom hole; face of hole

孔底

孔底

1

Combined -type small hole bottom , by outsole and bottom of inside and outside normally two parts are formed, have two or multilayer .

组合式微孔底，通常由外底和内外底两部分构成，有两层或多层。

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The invention also provides a method for measuring the thickness of sinking slag on the hole bottom of the bored pile .

本发明还提供一种钻孔桩孔底沉渣厚度测量方法。

4

The point load method for the evaluation of strength and bearing capacity of rock foundation in the artificially excavated holes for piles

点荷载试验评价孔底岩基强度和承载力的方法

5

Numerical Simulation of Axisymmetrical Two-phase Gravity Currents over a Porous Substrate

多孔底面轴对称二相重力流的数值模拟

6

Research of the Optimization of Bottom Hole Priming and Ground Breaking Technology and Spacing Pattern Parameters

孔底起爆落矿工艺及孔网参数优化

7

Post pressure grouting of borehole cast-in-situ pile bottom and its quality control

钻孔灌注桩孔底后压浆施工工艺及质量控制

8

Application of Air Compressor Removing Hole Bottom Settling Residue in Pile Foundation Project

空压机清理孔底沉渣在桩基础施工中的应用

9

Study on Stress Distribution of Explosion in the Space at the Hole Bottom by Dynamic Photo -Elasticity Test

孔底空腔爆炸应力场分布的动光弹试验研究

10

Application of Bottom -initiated Bomb in Medium -length Hole Blasting in Underground Mine

地下中深孔孔底起爆弹应用实践

11

Measure Meter for Measuring Distance from Caliper Slot Snap Spring to Cylinder Underside

一种测量轿车钳体卡簧槽至缸孔底面距离的量表

12

Improvement and Application of Bottom-initiated Bomb with Deep or Mid-depth Hole in Underground Mine

地下矿深孔中深孔底起爆弹的应用及改进

13

Application of Short -delay Blasting Technology in Foundation Treatment of Erratic Rock at the Pilehole's Bottom

微差爆破技术在孔底孤石地基处理中的应用

14

The Application and Effects of Hole-bottom Detonating in Medium-length Hole Blasting

论中深孔爆破孔底起爆的实施和应用效果

15

NON-MAGNETIC SPACER ROD DOWNHOLE INSTRUMENT DOWNHOLE MOTOR AND DRILL BIT

孔底马达和钻头无磁隔离钻杆

17

Study on Prediction of Build-up Rate of BHA in Small-diameter Hole

小口径孔底动力钻具组合造斜率预测研究

18

Discussion on Base Level for Measuring Sediment on Bottom of Non-inserted Bore Piles

非嵌岩钻孔灌注桩孔底沉渣测量基准面的探讨

19

Water model study on optimization of LF argon blowing with double nozzles

LF 双孔底吹优化布置的水模型研究

20

A Study on the Application of Hole-bottom Blasting Technique in Deep or Mid-depth Hole

中深孔孔底起爆技术试验研究

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