SUNKAI INFORMATION

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Writer:扶蘇 Update time:2009/7/7 下午 02:32:01
何謂下孔徑 ?
下孔徑=d-2 X H1( 咬合率/100 ) 
       d = 公稱直徑
       H1=(承受部高度) =0.541266P
       P=牙距