如果确定有前卤存在，应该将前卤和上颌窦口之间的间隔切除，使两者相通。
In cases where the posterior fontanel is identified, the division between the natural ostium and the fontanel should be resected to allow free communication between the two.
介绍了输卤泵水力模型的实验研究，分析了叶轮前间隙不同时模型泵的性能。
Experimentation research on hydraulic model of transportation halogen water pump are introduced, and performance of impeller front clearance in distinctness is studied.
应用推荐