结论切开双挂线对口引流术治疗蹄铁型肛周脓肿疗效显著。
Conclusions There a significant curative effect in the treatment for horseshoe-shaped perianal abscess by the procedure of incision and double thread-drawing drainage.
本发明主要用于合成挂式四氢双环戊二烯。
The synthesis method is mainly used in the synthesis of hanging type tetrahydro dicyclopentadiene.
主拱为桁架式双拱肋，钢管拱纵向分13段制造，采用无支架缆索吊机安装、钢绞线斜拉扣挂施工。
The steel pipe arch was manufactured in 13 segments vertically, erected by cable crane without support and clasped by diagonal tension steel strand.
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