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楼主 |
发表于 2010-1-18 11:59:52
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来自： 中国辽宁沈阳
"spanner-type bolting "出现在API618-2007的6.2.3中，全段是：3 p+ k0 W+ a# A) v7 G
6.2.3 Internal socket-type, slotted-nut, or spanner-type bolting shall not be used unless specifically approved by the purchaser.
, W; k- U4 M) ~4 A$ `0 _! ~+ N4 X F3 H8 INote: For limited space locations, an integrally flanged fastener may be required. |
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发表于 2010-1-13 16:23:51