DEH系统带负荷运行时,可以从喷嘴调节转换成()。
参考答案:节流调节
People Who Moved China, hosted by CCTV, honors the people _______valuable contributions should be remembered by every Chinese.
A.of whom
B.whose
C.that
D.of which
________既是编码抗性蛋白质又是基因工程的重载体。