Conclusion Filling the pre-sacral space with gauzes and pressing drawing pin on the sacrum are effective methods for the injury of the pre-sacral vein in operation of rectal carcinoma.
结论骶前纱布垫压迫，骶骨胛图钉按压法是术中骶前静脉损伤发生出血时行之有效的止血方法。
2
What pin to hole ratio gives the best hole filling?
多少的贯穿孔与引脚比例是最佳的通孔填充？
3
Then cut the large ipece of dough into many small pieces, roll the dough with a rolling pin into round, thin wrappers. Put the filling in the center of a wrappper, and fold it up.