采气生产中常见的中毒现象有哪些?
参考答案:
硫化氢中毒、天然气中毒、醇类物质中毒。
He managed to reach the summit of his career, but it was at the _________ of his health.
A.consumption
B.credit
C.exhaustion
D.expense
患者男性,43岁,缺失,行可摘局部义齿修复,弯制卡环,舌侧为塑料基托连接的义齿蜡型,采用混装法装入型盒,常规去蜡,充填,磨光。
患者提出义齿基托表面不平,其主要原因是()
A.细磨时间过长
B.粗磨未达到要求
C.布轮太干
D.布轮太湿
E.塑料太硬