blowbyn.吹去(漏气；不密封)blown.打击；殴打；吹v.吹；风吹；擤(鼻子)；(保险丝)熔断；<口>浪费(机会)blowing-in burdening开炉底料blow-off cleaning gu清洁喷枪blow-out the furnace炉子停风blown their brains outv.击头部自杀blown the cobwebs awayv.出外透透空气blow hot and cold over对 ... 动摇不定blowing-out of lines炉衬腐蚀blown your own trumpetv.自吹自擂(自我标榜)blown -sand activity风沙活动blow out sb.'s brains黑印样纸

1. The crude oil is chromatographed over silica gel.
   粗制油状物用硅胶进行色谱分离。