疼痛伴有沉重之感,是因()。
A.气机阻滞
B.寒邪凝滞
C.瘀血阻滞
D.湿邪困阻
E.火邪窜络
参考答案:D
制氧机还能提取哪些稀有气体?
The antennas of the trucks on deck are not fitted().
A.in
B.on
C.out
D.with