This phenomenon and make the material stay in the barreltime increased, the material break down.
这种现象又使物料在机筒内停留时间增加，造成物料分解。
2
Indeed, several refineries in Japan have stopped operations, but crude prices have tumbled below $100 a barrel for the first time in more than a week.
事实上，日本的几家炼油厂已经停止运营，但一周多以来原油价格却首次跌至每桶100美元。
3
By early afternoon in Europe, benchmark crude for October delivery was up 72 cents to $77.17 a barrel at late afternoon Singapore time in electronic trading on the New York Mercantile Exchange.