管徑： ．1x3mm ．2x4mm ．3x5mm ．4x6mm ．5x7mm ．5x9mm ．6x8mm ．6x9mm ．7x10mm ．7x11mm ．8x11mm ．8x12mm ．8x14mm ．10x14mm ．12x17mm ．15x21mm
