分子:
参考答案:
保持物质化学性质的一种微粒。
— Thank you very much for helping me to solve the problem.
— _____.
A.Don't mention it
B.With pleasure
C.That's right
D.You said it
口底腐败坏死性感染治疗中错误的是
A.广泛切开引流
B.充分分离脓腔
C.2%过氧化氢反复冲洗
D.加压包扎消灭死腔
E.高压氧治疗