Objective To evaluate the effect of U-type colonic loop substitute for colonic pouch on defecation function after anterior resection for distal rectal cancer.

目的评价低位直肠癌前切除术后应用U型结肠袢成形代储袋对术后排便功能的影响。

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During rail laying, the loop part of the U-shaped bent loop is knocked bent to hold down the foot of the rail and in this way, the sleeper and the rail are connected together.

铺轨时，“U”形弯环的环部被砸弯，压住钢轨的底脚，即可将轨枕与钢轨联结在一起。

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When the U-shaped bent loop is broken, the nuts under the sleeper can be screwed off and a new U-shaped bent loop can be assembled for restoring use.

当“U”形弯环断裂时，可将轨枕下面螺帽旋下，换上新的“U”形弯 环，即可恢复使用。

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As dismal employment data threw the U.S. stock market for a loop on Friday, Europe worried about rising inflation and slow economic growth.

FORBES: Europe's Recession Woes

However, Arca wouldn't be able to trade NYSE-listed securities, taking one of the 13 U.S. stock exchanges out of the loop for brokers, according to persons familiar with the plan's working.

WSJ: U.S. Stock, Bond Markets to Close Tuesday

Authorities in the Command "Loop": As noted above, the U.N.

CENTERFORSECURITYPOLICY: Center For Security Policy