设备用电原则?
参考答案:
一机、一箱、一闸、一漏。
He wrote a long moving poem _________ Qian Xuesen who is known as “ Father of Chinese Rocketry.”
A.in place of
B.in favor of
C.in memory of
D.in support of
关于原发性甲状旁腺功能亢进临床表现的叙述,错误的是()
A.可出现高血钙
B.骨质疏松
C.可出现低钙血症
D.可伴发肾结石
E.低血磷