cobble的用法

cobble

[ˈkɒbl]

vt.粗劣地制作;修（鞋）;匆匆制作;胡乱拼凑;

复数： cobbles 过去式： cobbled 过去分词： cobbled 现在分词：cobbling 第三人称单数： cobbles

英文例句/中文翻译：

1、

Construction of Large Diameter Water Well in Cobble and Boulder Strata

卵漂石地层中大口径水井施工方法

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2、

In drilling cobble and gravel formation, diamond enhanced tungsten carbide composite spherical crown button bits without strengthened gage achieve an average drilling rate of2.

介绍了金刚石&硬质合金复合球齿钻头在内蒙古某地区铀矿床卵砾石层中的生产试验情况。

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3、

Funnel drilling machine has following functions such as spiral excavating soil directly in the hole, piercing through cobble stone and weathering strongly rock layer, if matching hidden hole hammer of automobile and complete set tube, drilling machine can embed in the rock layer.

钻斗钻机具有孔内直接旋挖取土、快速穿越卵石土层和强风化岩层的功能，配上汽车潜孔锤和全套管跟进，可快速嵌入岩层。

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