不可通过经颈外静脉植入的PICC来检测中心静脉压。
查看答案
A diesel engine fails to start because of water in the fuelIn order to start the engine, you should （）?
A. turn engine with jacking gear
B. drain filters and strainers and bleed off water at each injection pump
C. use ether to start the engine with blow-down valves open
D. blow through the cylinders and fuel lines with a drying agent
竞技规则不是一成不变的，它随着技术的发展而变化，反映着技术发展的新趋势。
A. 正确
B. 错误
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