“rotary bucket”的概念、定义、翻译、参考文献-科学参考

单词	rotary bucket
释义	rotary bucket [`rōd·ǝ·rē `bǝk·ǝt] ^{MECHANICAL ENGINEERING} A 12- to 96-inch-diameter (30- to 244- centimeter) posthole augerlike device, the bottom end of which is equipped with cutting teeth used to rotary-drill large-diameter shallow holes to obtain samples of soil lying above the groundwater level.
随便看	bolt blank bolted joint bolted rail crossing bolt face bolthole bolting bolting cloth bolt sleeve boltwoodite Boltzmann constant Boltzmann distribution Boltzmann engine Boltzmann entropy hypothesis Boltzmann factor Boltzmann H theorem Boltzmann statistics Boltzmann transport equation Boltzmann-Vlasov equations bolus bolus alba Bolyai geometry Bolzano's theorem Bolzano-Weierstrass theorem bomb Bombacaceae

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