气流干燥设备的联动风门、排潮风门均为可自动调整的()阀。
参考答案:蝶
There is a system ________the waste is disposed of using the principles of ecology.
A.which
B.where
C.that
D.at which
从严重贫血儿童血中所得血红蛋白经水解后作氨基酸分析。下面哪一项一级结构的改变最可能与贫血表型相关
A.Gly-Asp-Gly变为G1y-Glu-GlyB.Leu-Glu--He变为Leu-Val-IleC.Gly-lie-ely变为Gly-VM-GlyD.lle—Leu—IVM变为11e-He-VM K.Val—VM—V8l变为VMI~U-Vfl