英语词汇“top and bottom process”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	top and bottom process
释义	top and bottom process top and bottom process [¦täp ən ¦bäd·əm ‚prä·səs] (metallurgy) A process in which sodium sulfide is added to molten copper-nickel sulfide to form a two-layer melt, with the bulk of the nickel in the bottom layer.
随便看	propelling propelling device propellingly propelling nozzle propelling pencil propelling-pencil propellor propellor head propellors propellor shaft propelment propels propenal propend propendency propendent propene propenoate propenoic acid propenol propenonitrile propense propensely propenseness propension

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。