英语词汇placer iron怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	placer iron
释义	placer iron 简明释义砂铁网络释义 1 ?砂铁 ... placer gold 砂金 placer iron 砂铁 placer mining 砂矿淘采 ... 短语 1 iron placer 砂铁矿 2 placer r iron 砂铁双语例句 1 A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits. 石英砂原矿质量的优劣，有害杂质铁、铝的赋存状态及其在各粒级砂矿中的分布，是决定选矿效果的关键。
随便看	instruction by academic competence-based grouping instruction by remote control instruction cache instruction cache control Instruction Cache Unit instruction car instruction card instruction carriage instruction case instruction catalog instruction catalogue instruction cell instruction character instruction character instruction-check indicator instruction check indicator instruction circuit instruction classification instruction code instruction code instruction command instruction compatibility instruction complement Instruction,Computer-Assisted instruction constant

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。