The synthesis of higher alcohols from synthesis gas over double bed catalysts was studied.
研究了复合催化剂床对合成低碳醇反应行为的影响.
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Annual sales total over 100 Million Euro and are growing at double-digit percentage rates.
年度销售总额超过100亿欧元,并日益两位数的百分比率.
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If cursor over the line ( circled in red ), it becomes a double headed arrow.
移动鼠标到黑线上 ( 红色圈中处 ), 它将变成一个双箭头.
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全液压 、 双驱动 、 双振幅 、 三档无级变速, 十字铰接式车架.
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