Under the function of big pressure and dynamic load , the grains may be moved which may cause the soil body distortion . at present , the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling , auger stem breast wall drilling and down - the - hole hammer follow down drilling
How to say auger stem in Hindi and what is the meaning of auger stem in Hindi? auger stem Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
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