Aim To synthesize new type of octane number improver for gasoline, methoxyisobutyrate.目的合成一种新型汽油辛烷值改进剂─甲氧基异丁酸烷基酯.Cetane improver . Makes the engine run better at higher compression settings.碳氢化合物的改进物. 使引擎在高压缩比时运转较为顺畅.Cyc...
A heifer bellowed in her stall.小母牛在牛栏里吼叫。HEIFER saw an Ox hard at work harnessed to a plow.小母牛看到公牛套着工具辛苦的犁地.Egypt is a pretty heifer, But a horsefly is coming from the north it is coming!耶46:20埃及是肥美的母牛犊.出于北方的毁灭〔灭或作牛虻)到了、...