Trunk-extension 干线延长 ; 主干延伸 ; 干线扩展
Prone Trunk Extension 俯卧伸展腰部
Trunk extension exercise 需加强躯干蜷缩运动
artificial trunk extension 人工接干
pruning to promote trunk extension 修枝促接干
Extension-trunk loss 扩建干线损失 ; 支线 ; 推广 ; 主干损失
After intervention in the test group, the students' sit and reach, trunk extension test, shoulder and stretch were also significantly different(P0.05).
②运动干预后实验班坐位体前屈、俯卧背伸、双手后勾与对照班也存在显著性差异（P〈0.05）。
Using a camera mounted on an extension pole , photograph the top of the vehicle, including roof, hood and trunk areas.
使用相机装在一个延长杆，照片上方的车辆，包括屋顶，遮光罩和主干地区。
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