塑料热成型之后的残余物会自机器上掉落下来，被碾碎，并重新进入生产循环过程中。
The leftover parts from the mold-the plastic that fills the channels that take the hot plastic into the piece negative-fall down the machine, gets ground up, and put back into the production cycle.
这个缺点不久被面包酵母抽提物克服了。面包酵母抽提物是用初生的酵母生产的，它比含酒花残余物的废啤酒酵母纯净得多。
This was soon overcome by the use of baker's yeast which is a primary grown yeast which is a much cleaner yeast than the brewers yeast that have the residual effect of hops.
生产的原料：木质生物质，油籽，禾草，谷类作物残余物。
Feedstock. Woody biomass, oil seed, grasses, cereal crop residue.
生产的原料：多年生禾草、生物质高粱、农作物残余物、大豆、木质生物质。
Feedstock. Perennial grasses, biomass sorghum, crop residues, soy beans, woody biomass.
生产的原料：多年生禾草、生物质高粱、农作物残余物、大豆、木质生物质。
Feedstock. Perennial grasses, biomass sorghum, crop residues, soy beans, woody biomass.
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