中碳钢的含碳量在()之间。
A.0.1%~0.2%
B.0.25%~0.6%
C.0.6%~0.7%
D.0.8%~1%
参考答案:B
-Is there any possibility_________ you could pick me up at the airport?
-No problem. [ ]
A. when
B.that
C.whether
D.what
慢性化脓性骨髓炎的X线表现中,哪项不对()
A.广泛软组织肿胀
B.骨柩形成
C.虫蚀状、小片状骨质破坏
D.长条状死骨
E.骨质增生、硬化