??ˉ??|?????ˉ??????|20G??ˉ??
??ˉ??GB5310?????ˉ??
20G?????ˉ??
20G?????ˉ???????????????????????????????????????????????????????????????????????????ˉ???????ˉ???????
1??????
(1)???????????? ??????ˉ??????????450?????£????????????10???20???????????????ι????? ??????ˉ????????????????o????????????????????????????????????£??????????????????????и?????????????????????????????????????????? (2)????? ??????ˉ??????????????????????????????????????????ˉ???????????????С??????????? ??????ˉ???????????????????????ˉ????????????????????????????????????
2.????
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3.??????????
(1)GB3087-82?????????ˉ??????????漲?????????ˉ????????10??426mm??????43??????1.5??26mm????29???????????ˉ?ù????????????????С??????????????????й漲?? (2)GB5310-95???????ˉ?????????????????22??530mm?????20??70mm????????(????)????10??108mm?????2.0??13.0mm????? (3)GB3087-82?????????ˉ??????????GB5310-95???????ˉ??????????漲????????????????????治?????????????????????????????????Щ?????????????????????ó????????????????????????????С?????????????С???
20G?????ˉ??????????
??? |
????/T |
??? |
????/T |
10 x 2 |
3.7 |
168 x 12-25 |
20.52 |
12 x 2 |
12.5 |
194 x 8-22 |
32.10 |
14 x 2-3 |
4.8 |
219 x 8-20 |
26.31 |
16 x 3 |
5.2 |
219 x 22-30 |
28.49 |
25 x 2.5-3 |
7.8 |
245 x 10-22 |
31.52 |
28 x 2.5-4 |
6.3 |
245 x 25-32 |
20.70 |
32 x 3.5-4 |
8.2 |
273 x 10 x 18 |
35.65 |
42 x 3.5-6 |
19.7 |
273 x 20-25 |
50.23 |
51 x 3.5-6 |
12.48 |
325 x 10-18 |
28.42 |
57 x 3.5-8 |
18.23 |
325 x 20-40 |
60.03 |
60 x 3.5-8 |
19.27 |
351 x 10-18 |
17.93 |
76 x 4.5-12 |
28.42 |
351 x 20-30 |
19.25 |
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