The self-feeding bit carries the special rubber tube that provides high-pressure hydrodynamics for the bit to drill continuously.

自进式钻头带动为其提供高压水动力的特制胶管向前连续钻井。

dict.cnki.net

Any dietary food for special medical purposes designed for use in tube feeding or as an ONS.

对于在任何灌食使用而设计的特殊营养食品医疗用途或作为附件。

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