()厂用电消失时,锅炉自动灭火、负压最大。所有电动机停运,所有火焰监视器无光柱显示,看火孔看不到火焰。
A.110V
B.6KV
C.220V
D.380V
参考答案:B
票据法第七十条、第七十一条所称中国人民银行规定的利率,是指中国人民银行规定的企业同期()
A.项目融资利率
B.固定资产贷款利率
C.个人贷款利率
D.流动资金贷款利率
While the total number of farmers engaged in agricultural production is barely half () it used to be in 1959, the size of the average farm has tripled.
A. that
B. what
C. which
D. how