题型:填空题 有关视网膜分支静脉阻塞,正确的是()A.视网膜鼻下象限最常受累B.局部阻塞的部位通常位于动静脉交叉处C.阻塞点远端视网膜静脉变细D.它与先天性白内障硬化相关E.它与高血压病、动脉硬化相关 查看答案
题型:填空题 ()has 3 parts: warehouse, high story shelf and stacker.A. Multi-story warehouseB. Automatic multi-story warehouseC. Stereo-style warehouseD. stereoscopic warehouse 查看答案