伸缩

shēn suō to lengthen and shorten; flexible; adjustable; retractable; extensible; telescoping (collapsible)

臂

bì arm

平台

píng tái platform; terrace; flat-roofed building

高空作业

gāo kōng zuò yè to work high above the ground

车

chē car; vehicle; CL:輛|辆[liang4]; machine; to shape with a lathe

Chē surname Che

jū war chariot (archaic); rook (in Chinese chess); rook (in chess)

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