水龙头上部通过提环挂在游车大钩上,旁边通过鹅颈管与水龙带相连,下部接方钻杆及井下钻具,整体可随()上下运行.
参考答案:游车
—Excuse me. Which is the way to the police station?
—Sorry, I'm new here. _______.[ ]
A. Nothing serious.
B. Good luck.
C. Thank you all the same.
D. Pleased to hear that.
对于烧伤后ARDS 的诊断标准的叙述不正确的是
A.急性发病
B.氧合指数小于300mmHg
C.胸片示双肺浸润影
D.肺动脉楔嵌压小于18mmHg
E.无左心房高压的临床表现