制动支管吊座与中梁焊缝起弧与收弧点应距中梁边缘()以上,且其他部分须满焊。
A.20mm
B.30mm
C.40mm
参考答案:A
能获得心脏功能指标的显像方法有()。
A.首次通过法心血池显像
B.门电路心血池显像
C.门电路心肌显像
D.201Tl运动-再分布显像法
E.99Tcm-MIBI运动-静息隔日显像法
----Does Jim do his new job well?
---- __________ his old job.
----How stupid! I fear there's no hope for him.
A.No better than
B.Not better than
C.No so well as
D.No as well as