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1·This paper introduces how to dismantle yarding tractor loading board, install trestle pole and use tightwire and chain wheel to load and unload cargo.

本文介绍如何拆下集材拖拉机搭载板，安装架杆，利用绞盘机、钢索及架杆滑轮装卸货物。

集材

1·This paper introduces how to dismantle yarding tractor loading board, install trestle pole and use tightwire and chain wheel to load and unload cargo.

本文介绍如何拆下集材拖拉机搭载板，安装架杆，利用绞盘机、钢索及架杆滑轮装卸货物。

(1)back yard后院

(1)front yard前院

(1)storage yard堆货场；存车场

(1)container yard集装箱堆场；货柜堆场

(1)goods yard货场，堆货场

(1)marshalling yard铁路调车场；铁路货运编组站