DR探测器可用的是() A.BaFBr:Eu2+ B.Na2S2O3·5H2O C. 发布时间:2017-06-14 05:49 │ 来源:www.tikuol.com 题型:单项选择题 B型题 问题: DR探测器可用的是()A.BaFBr:Eu2+B.Na2S2O3·5H2OC.Na2CO3D.CH3COOHE.a-Se
题型:单项选择题 B型题 The new technology,if ________ to farming,will help increase the grain output.A.applyingB.to applyC.appliedD.having applied 查看答案