“four-piece set”的概念、定义、翻译、参考文献-科学参考

单词	four-piece set
释义	four-piece set [¦fȯr ¦pēs `set] ^{MINING ENGINEERING} Squared timber frame used in underground driving to give all-around support to weak ground.
随便看	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 bomb adapter-booster bombard bombardment

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。