如美国费城污泥制配中心采用贝尔茨维尔（BELTSVILLE）好氧堆肥法，年生产污泥达5万吨，其特点是在条形堆下设穿孔管，用真空泵抽气，使空气从污泥混合物通过而充气，排出的气再经过腐熟...
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Steel cord conveyor beltsville 钢丝绳芯输送带
beltsville turkey 贝兹维尔火鸡
steel cd convey beltsville 钢丝绳芯输送带
beltsville agricultural research center 贝尔兹维尔农业研究中心
She works in the animal parasitic diseases laboratory in Beltsville, Maryland.
她在马里兰的动物寄生物病实验室工作。
The result was the Beltsville Small White, which averaged about 13 pounds for a hen and 23 pounds for a Tom, says Anthony.
培育结果是贝兹·维尔小种白火鸡，母火鸡平均重13磅，公火鸡23磅，安东尼说。
Beltsville No. 1, Maryland No. 1 and Minnesota No. 1, I 'm just naming a few. all of the new breeds have less fat and more lean meat.
像拜尔·兹维一号呀，马里兰一号呀，明尼苏达一号呀。就随便举几个吧。这些新品种全都是肥肉少瘦肉多。
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