“drop-bottom car”的概念、定义、翻译、参考文献-科学参考

单词	drop-bottom car
释义	drop-bottom car [`dräp ´bäd·ǝm ´kär] ^{MINING ENGINEERING} A mine car designed so that flaps drop open in the bottom to allow the coal to fall out as the car passes over the dump; flaps close as the car leaves.
随便看	nozzle exit area nozzle-expansion ratio nozzle-mix gas burner nozzle process nozzle throat nozzle throat area nozzle thrust coefficient nozzle vane Np NP-complete problem n-pentane N-phenylanthranilic acid N-phenylglycine N-phenylmorpholine N-phenylpiperazine npin transistor N-plus-one address instruction npnp diode npnp transistor npn semiconductor npn transistor NPO-body n-propyl acetate n-propylamine n-propyl furoate

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。