line management

同义词释义

1)line management,由上而下的管理2)from top to bottom,由上而下3)blow-and-go,自由上浮4)Top Down,由上而下5)basipetal,由上往下的6)"top-down" crack,“由上而下”型裂缝7)content free grammar,自由上下文文法8)top-down models,由上至下模型9)emergency free ascent,紧急自由上升10)free ascent escape,自由上升脱险