本发明在保证转运车其它安装部件位置不变的前提下，降低了辊筒传输作业 面的高度，实现了与传输作业面离地高度低的各种传输设备对接。
The invention has decreased the roller canister work height in the condition of the other parts installing position to reach the connecting the every transfer device which is lower from the ground.
比喻为团队提供了一致的画面，他们可以用它来描述现有系统的工作方式、新部件适合的位置，以及它们应该采取的形式。
The metaphor gives the team a consistent picture they can use to describe the way the existing system works, where new parts fit, and what form they should take.
最后一部分代码要求表单（组合而成）确定所创建部件的位置。
The last bit of code asks the form (composite) to position the widgets you created.
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