脚手架钢管宜采用F48.3×3.5mm的钢管,横向水平杆最大长度不超过(),其他杆最大长度不超过()。禁止使用弯曲、压扁、有裂纹或已严重锈蚀的钢管。
参考答案:2.2m;6.5m
Her parents objected to _________ that farmer, though he was very rich.
A.she married
B.her to marry
C.marry
D.her marrying
在临床上诊断上矢状窦血栓形成最常见的辅助检查手段为()
A.颅脑CT
B.颅脑MRI
C.TCD
D.MRA
E.彩色多普勒