卷板用木地板车卧装时,可将相邻卷板用夹具或镀锌铁线、盘条捆在一起,并用()掩紧钉固。
A、支撑方木
B、方木
C、轮挡
D、三角挡
参考答案:C
— Has anything caught your eye in today’s newspaper?
— Yes. A new eight-kilometer-long road is under ________ that links the port area with the
motorway system.[ ]
A. consideration
B. construction
C. conservation
D. constitution
下面为诊断高风内障的主要依据,除了:
A.ERG的a波、b波振幅降低,峰时延迟,以致消失呈熄灭型B.VEP表现为P100波潜伏期延长,振幅下降C.暗适应检查阈值升高D.视野缩小,可呈管状E.夜盲