放大位(M) 选择的目的是
A. 增加乳房后内深部病变的显示
B. 利于良、恶性病变的区分
C. 增加乳房后内浅部病变的显示
D. 利于乳房外侧部深部病变的显示
E. 与标准体位结合确切乳腺病变的定位
Lesson 22 Blank-filling3-1The tyres are ______. We will have to hold at present position for ________.
Lesson 22 Blank-filling 3-2I think we _______. Request holding position.
Lesson 22 Blank-filling 3-3P: Ground UAL048 request start up _____for engine check C: UAL048,start-up approved, but set your engine to ______ due to _______[音频]