"Progress has been tremendous where lifting a single barrier is sufficient [for example, in education]," concludes the bank.
世界银行总结道：“当只需取消一项障碍就足够解决问题的时候，进步是巨大的(比如在教育上)。”
2
When the bulk purchase barrier shall not and shall ensure that, in the process of lifting, transportation and stacking is not due to deformation and damage (injury).
购货时护栏不得散装，且应保证在吊装、运输、堆放过程中不致使产品变形、损坏(伤)。
3
The rocker arm is connected with the balance weight block through a rotary shaft, a cam, a pulley, a steel cable and a lifting rod, and an initial position can be selected through a barrier shaft.