Clinical observation on secondary suspensory intraocular lens implantation;
二期悬吊式人工晶体植入术的临床观察
Using hanging load form in high place with large span where heavy load form is needed can meet the stiffness requirement specified in the specifications.
对于位居高空大跨度重型承重模板宜采用梁吊式承重模板 ,但要满足规范规定的刚度要求将不能充分发挥钢材的强度使耗钢量巨大。
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