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我愛(ài)局部剖 |
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點(diǎn)評(píng)
用螺釘聯(lián)接的兩個(gè)零件,,下面零件鉆攻螺紋孔,上面零件鉆穿通的圓孔,,為便于裝配和調(diào)節(jié),,常將圓孔設(shè)計(jì)成長(zhǎng)槽孔,即俗稱的腰子形孔,。
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