目的了解乌鲁木齐铁路局所属的六所中学的初一、二年级的28个班的1 314名在校学生一年来的伤害情况。

Objective To survey the injury status of 1 314 students of grade one and two in 28 classes in 6 railway middle schools of Urumchi during the first year at school.

youdao

目的了解乌鲁木齐铁路局所属的六所中学的初一、二年级的28个班的1 314名在校学生一年来的伤害情况。

Objective To survey the injury status of 1 314 students of grade one and two in 28 classes in 6 railway middle schools of Urumchi during the first year at school.

youdao