脊柱结核常见的并发症为()。
A.窦道
B.脓肿
C.疼痛
D.截瘫
E.肿胀
参考答案:D
解析:脊柱结核是因循环障碍及结核感染引起椎体病变所致。本病常见的并发症为截瘫。
How do we say the number 110,206?
A.one hundred and ten thousand, two hundred and six.
B.one hundred and ten thousands and two hundreds and six.
C.one hundred and ten thousand and two hundred and six.
D.one hundred, ten thousand, two hundred and six.
什么是车削加工?用途是什么?