专用内斜风道确保迸入进风窝壳内的物料能顺利地沿着斜面落入磨机内。
Private intilted air course makes sure the materials in the girding chamber enter into the mill along the inclined plane.
结论：儿童部分调节性内斜视与调节因素有关，其由于解剖因素所引起的斜视需手术矫治。
Conclusion Partially accommodative esotropia in children is due to accommodative factor in addition to anatomical. The latter must be surgical treated.
目的探讨儿童部分调节性内斜视的手术时机。
ObjectivesThe study was designed to approach the surgical opportunity of partially accommodative esotropia in children.
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