1) Fe ore at top and Cu ore at bottom
上铁下铜
2) Cu/Fe
铜/铁
1.
DEGRADATION OF PCE USING Ni/Fe AND Cu/Fe BIMETAL SYSTEMS;
镍/铁和铜/铁双金属降解四氯乙烯的研究
3) cooper and iron
铜铁
1.
The optimum measuring conditions for cooper and iron and the concentration for pressenting a fine linear range were recommended while the measuring conditions and interference factors were considered.
主要简述运用空气 乙炔火焰原子吸收光谱法进行电池锌粉中微量铜铁含量的测定。
4) iron and copper
铁、铜
1.
Experimentation was made on leaching of iron and copper from wall rock of Masongling copper deposit in Pengxian County,Sichuan Province with citric acid,oxalic acid and tartaric acid (0 1 mol)at low temperatures(50 ℃,75 ℃)in a short reaction period(9 days).
水／岩作用实验研究表明，在低温条件下柠檬酸、草酸和酒石酸对岩石中的铁、铜都有很高的淋滤率。
5) futtock shrouds
连接上下桅的铁索
补充资料：《铁琴铜剑楼藏书目录》
铁琴铜剑楼是晚清四大藏书楼之一，它所收藏的数以万计的古代善本图书具有极高的文献价值和文物价值。楼主瞿氏祖孙三代，历五十年辛勤努力编纂的《铁琴铜剑楼藏书目录》是古籍版本目录研究不可或缺的重要著作。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条