支腿 C6-20=36 H=80 A=27.0
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  • 打印网址:https://flcad.com/@2C6-20=36 H=80 A=27.0
  • 2ф127.0ф168.3
    ф77.578R≥3R≥4.5ф88.9ф1175.7ф21027.0ф228