“protectionist trading practice (PTP)”概念、定义、翻译-科学时代

单词	protectionist trading practice (PTP)
释义	请查阅protectionist trading practice--protectionist trading practice (PTP)
随便看	category category category category category category category category category category category category category category Category 3 cable category 3 wiring Category 4 cable Category 5 cable Category 5e cable category 5 wiring category A travel agency category B travel agency category C travel agency category development index category development index (CDI)

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。