立井梯子间中的梯子角度不得大于()
A、70°
B、80°
C、75°
参考答案:B
《燃煤二氧化硫排放污染防治技术政策》中的中小型燃煤工业锅炉是指产热量( )的锅炉。
A.<20MW B.<14MW C.<14蒸t/h D.<21蒸t/h
An analyst does research about monetary policy. A central bank's action to lower its target interest rate least likely:()
A. reduces net exports.
B. increases the money supply.
C. causes domestic currency depreciation.