... 管式散热器 tube radiator 取土样钻孔 tube sample boring 刮管器 tube scraper ...
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在介质软弱的情况下，钻孔取芯、取样很难实现；由于对混凝土芯样、土样产生扰动从而对检测结果产生影响。
It is difficult to bore and sample the core of rock in soft medium, and it will influence the results of test due to the disturbing of soil and concrete sampling.
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