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力-距离图表 force-distance graphffice ffice" /> | % s* j4 n0 @4 p6 k. }: m5 {
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' e% h+ C5 q4 q" Y& S 力图 force diagram |
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力线 line of force |
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5 r8 M' F7 o9 w: R0 N+ H+ }* p 十字榫 cross halving joint | 1 D8 m- S# P- J0 r
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6 C7 {. t, I* r6 o* z1 C 十字螺丝  hilip's head screw | " u7 v6 M0 C6 C4 X8 |, m$ _- J
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十字螺丝批 hilip's type screwdriver |
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# @- Y* y; ?4 t 丁字尺；T 尺 tee square | $ i0 Z9 B0 c: }7 r# G
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三爪夹头 three-jaw chuck 9 X" U/ i" \0 H" u4 h) ^
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发表于 2006-3-7 12:36:03
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