20130 40 工业级 AiispsaoawnprAoToopmtprootarurrmnmipopoporwopopm 30 50 60 70 品 STAINLESS STEEL 8000 100 10 20 60 30 40 16171819202122232425262728 70 150mm 80 150 90 100 20 514131211109876543 三角尺 角尺拐尺 坚固耐用镭射刻度毫厘精准