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求助 鏈條提升重物,怎么連接 |
點(diǎn)評(píng)
用單個(gè)活接,不是這種3鏈節(jié)的活接
也可單耳,稍差點(diǎn),但也足夠
安全系數(shù)極高
當(dāng)然各種變形。這種加工件數(shù)量少
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