英语词汇crude benzene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	crude benzene
释义	crude benzene 美/ kru?d ?benzi?n / 简明释义粗苯网络释义 1 ?粗苯燃气安全、燃气网、燃气安全知识_燃气安全网--燃气论文--实践应用--冷冻法测定焦炉煤气中粗苯含量的试验关键词：焦炉煤气；粗苯；冷冻法 [gap=372]Key words：coke oven gas；crude benzene；freezing method 2 ?粗苯化学品化学品中文名：粗苯化学品英文名：Crudebenzene化学品俗名或商品名：混合苯企业名称：生产企业地址：邮编:传真号码：企业应急电话：技术说明书编码:生效日期:国家应急电话：第二部分成分/组成信息纯品短语 1 methanol crude benzene gasoline 甲醇粗苯汽油 2 petroleum crude benzene 石油混合苯 3 rmthanol crude benzene gasoline 甲醇粗苯汽油双语例句 1 There are two method to measure the weight ratio of crude benzene. 测定粗苯重量比，有色谱法和蒸馏法两种方法，其中蒸馏法为仲裁方法。 2 Recovery of crude benzene is the coking plant production of intermediate products, refined workshop production of benzene, toluene, xylene and other products of raw materials. 回收粗苯是焦化厂生产的中间产品，是精制车间生产纯苯、甲苯、二甲苯等产品的原料。 3 The reasonable improvement of the lean oil technics in crude benzene tower and heat exchanger of lean and fat oil is introduced according to the practical conditions after reconstruction. 分析了浮头式列管换热器的故障现象及产生原因，提出改造方案，并根据改造后的实际情况将脱苯塔和贫富油换热器部分的贫油工艺进行了合理改进。
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