吊装架 meaning in English

mast-up

( 2 ) using tractor as power , makes it mobile and agile , and , the tractor can be used to do another work if it is not used to drive the tunnel . the tractor with simple hoist implement can assemble the wind tunnel by use of the oil cylinder of tractor itself without another special implement
( 2 )使用拖拉机为动力，机动灵活，实验时，使用一根传动轴连接拖拉机和风洞实现动力传递，实验后脱开连接不影响拖拉机其它方面的使用，同时，拖拉机配备简易的吊装架后利用液压悬挂可以吊装风洞，从而不必为风洞配备专用吊装设备。