Synchronous package pulling system makes the movement of the packages smooth and accurate.

同步拉袋系统，确保包装袋的输送顺畅，准确。

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Policy implementation is a process, aiming at public value, which has a profit chain as its pulling system and a responsibility chain as its balancing system.

政策执行是以利益链为动力机制，以责任链为平衡机制，从而实现社会公共利益的过程。

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And so one string must be pulling in this direction and the other string must be pulling in this direction so that the net force on the system is zero.

因此一条细绳施加一个拉力，朝这个方向，另一条细绳也必然施加拉力，朝这个方向，这样整个整体合力为零。

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By connecting stakeholders and pulling together a fragmented system of care, I would be a catalyst for collective impact within the child welfare system.

WHITEHOUSE: Fostering Change

Texas inspectors also found that the air handling system was pulling debris from the infested crawl space into production areas at the Plainview plant, which processes peanut meal, granulated peanuts and roasted peanuts.

MSN: Texas recalls all products linked to peanut plant

Top lawmakers talked of pulling the income-tax system out by its roots.

ECONOMIST: George Bush's tax agenda: Handing it back | The