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鍏ū閫氬緫DN
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z-φd
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n-φd
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L
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L0
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H
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b1
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b2
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25
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235
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85
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125
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4-φ14
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4-φ14
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120
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220
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115
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15
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22
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40
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235
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110
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160
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4-φ18
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4-φ18
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135
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250
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130
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19
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22
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50
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230
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125
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190
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4-φ18
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8-φ14
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160
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250
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125
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14
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20
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80
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245
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160
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210
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4-φ18
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8-φ14
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200
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400
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184
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15
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22
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