十二指肠损伤后,X线检查的典型表现是
A.膈下积气
B.胃受压右移
C.腹膜后积气
D.左膈抬高
E.胃结肠间距增大
参考答案:C
The decision________for almost a year because of the local residents' complaints that the newlybuilt
factory would disturb the quietness of the place.[ ]
A. has been delayed
B. was delayed
C. would be delayed
D. will be delayed
金属常见的表面处理工艺有()。
A.烤漆
B.电镀
C.阳极氧化
D.雕刻