但是在基因能商业性大规模制造价格可与化石燃料竞争的燃料之前还有很多工作要做。
But work remains before the genes can make commercial quantities of fuel at prices that can compete with fossil fuels.
所述螺旋缠绕线圈可膨胀成与所述 模制机的一圆筒壁密封啮合。
The helically wound coil is expandable into sealing engagement with a cylindrical wall of the molding machine.
该支架可由各种可生物降解、可堆肥材料形成，包括例如模制聚丙烯或有机树脂例如基于谷物的树脂或基于马铃薯的树脂。
The rack may be formed of a variety of biodegradable, compostable materials, including for example molded polypropylene or organic resins such as a corn-based resin or potato-based resin.
该支架可由各种可生物降解、可堆肥材料形成，包括例如模制聚丙烯或有机树脂例如基于谷物的树脂或基于马铃薯的树脂。
The rack may be formed of a variety of biodegradable, compostable materials, including for example molded polypropylene or organic resins such as a corn-based resin or potato-based resin.
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