“over-the-counter”概念、定义、翻译-科学时代

单词	over-the-counter
释义	请查阅over-the-counter--over-the-counter (OTC)
随便看	pump-line pumpman pump maximum flow rate pump mechanical efficiency pump mechanical efficiency pump minimum allowable flow rate pump mixer settler pump plant pump pressurization pump priming pump-probe technique pump pulse duration pumproom pump selection pump specific angular speed pump specific speed pump stall pump station pump station pump suction pressure pump take-off power pump-tank supply scheme pump-tower supply scheme pump truck pump unit

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。