A.2.45-2.67MPa B.9.8-78.4MPa C.6.77-7.72MPa D.7.72-88.27MPa
A.10mm B.20mm C.30mm D.40mm
A.10－20mm B.20－40mm C.50－300mm D.40－50mm
微信扫一扫关注公众号后联系客服
微信扫码免费搜题
