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孔成

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孔成

孔成

littlefrog

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Midnight Blue

5. 午夜的蓝色忧郁 - 郑国腾/杜俊辉/洪启峰/李国华/许孔成 (Midnight Blue) 6. 星星的夜 - 郑国腾/杜俊辉/洪启峰/李国华 (What St...

1

The outlet opening fluidly communicates with an inlet aperture provided by the motor housing .

出口开口于电机壳体所提供入口孔成流体连接。

2

In the landslide and slope management , anchoring drilling methods used mainly Rotary-drilling or one-way Pneumatic DTH for drilling.

在滑坡及边坡治理中，锚固孔成孔方法主要采用回转钻进或单向潜孔锤进行钻进。

3

The sandstone is solidified -subsolidified, and their voids are mainly secondary voids, and the diagenetic stage is Early B.

砂岩半—固结，主要是次生溶蚀孔，成岩阶段划分为早成岩 B 阶段。

5

Discussion on well-constructing technology of special hydrogeologic well in strata with low permeability

低渗透地层专门水文地质孔成建井工艺探讨

6

Application of technology for digging hole artificially in bridge building

人工挖孔成桩技术在桥梁工程中的应用

7

Synthetic technique of drilling hole for pile of large diameter in karst stratum

岩溶地层大口径桩孔成孔的综合技术措施

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