- deep drillhole
- gun drilling
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深钻孔的英文
例句与用法
- Construction technique of deep - drill of outburst coal seam
突出煤层深钻孔施工技术 - Ground coupled heat pump system two vertical and two inclined bore holes 32 metres into the earth capture underground heat and provide cooling or heating
地源热泵系统由两个垂直和两个倾斜的32米深钻孔及埋管组成，利用地下蓄热的特性提供热源或冷源。 - Drilling , gun - drilling , turning , milling of hardened steel , white cast iron , non - iron metals , plastics an synthetics . high wear resistance and edge durability and good toughness properties
对硬钢、白铸铁、非铁金属、塑料、合成材料等进行钻孔、深钻孔、车削、铣削等加工的牌号。具有高的耐磨性、切面稳定性和好的韧性。 - Considering the engineering of trail pile in hubei jingzhou yangtze river highway bridge , the construction process of deep cast - in - place pile under pebble geological structure , the limit load - bearing capacity of single pile , side friction stress and head drag are researched in this thesis deeply
论文结合湖北省荆州长江公路大桥的试验桩工程，深入研究了江汉平原地区卵石地基深钻孔灌注桩的施工工艺、单桩极限承载能力、桩侧摩阻力和端阻力。