A.食管异物
B.食管癌
C.食管平滑肌瘤
D.食管炎
E.食管静脉曲张
[单选题]A.食管异物B.食管癌C.食管平滑肌瘤D.食管炎E.食管静脉曲张
[单选题]A.将轮C与轮D对调B.将轮B与轮D对调C.将轮B与轮C对调D.将轮B与轮D对调,然后再将轮B与轮C对调
[单选题]A.将轮C与轮D对调B.将轮B与轮D对调C.将轮B与轮C对调D.将轮B与轮D对调,然后再将轮B与轮C对调
[单选题]A.勃鲁盖尔B.丢勒C.扬·凡·爱克D.提香
[单选题]A.勃鲁盖尔B.丢勒C.扬·凡·爱克D.提香
[单选题]A.4~6cmB.6~8cmC.8~10cmD.10~12cmE.13~15cm
[单选题]A.4~6cmB.6~8cmC.8~10cmD.10~12cmE.13~15cm
[单选题]A.4~6cmB.6~8cmC.8~10cmD.10~12cmE.13~15cm
[单选题]A.4~6cmB.6~8cmC.8~10cmD.10~12cmE.13~15cm
[单选题]A.对位好,对线稍差B.对位差,对线好C.对位对线好D.对位对线差E.对位好,对线差,向外侧成角