胸外伤后,患者血压下降,脉搏细速,X线示胸膜腔大片状阴影,提示()。
A.小量血胸
B.中量血胸
C.大量血胸
D.血胸机化
E.血胸并发感染
参考答案:C
()contains the wheelhouse with the control station,the chartroom where charts,pilot books and publications are kept,and the radio room.
A.The doube bottom
B.The cofferdam
C.The navigating bridge
D.The superstucture
减量印花