东风4D型机车柴油机气缸盖的摇臂轴向总间隙原形为()。
A、0.25~0.65mm
B、0.34~0.89mm
C、0.45~0.10mm
D、0.50~0.11mm
参考答案:B
The doctor_______the patient with great care and said there was nothing wrong with him. [ ]
A. tested
B. attended
C. examined
D. checked
对重症肌无力Osserman分型描述正确的是()
A.眼肌型为Ⅰ型
B.轻度全身型为Ⅱa型
C.中度全身型为Ⅱb型
D.迟发重症型为Ⅲ型
E.重症急进型为Ⅳ型