20#?????????????? ????????????
20#???????????????????У?
???????????????????????????????????????????????????????о??У??????????????????г???????????????????????????????????4-5-6-7-8-9-10mm???????????????????0510-88268136 ????QQ??709154628
??????????????
|
????? |
???? |
377??10 |
20# |
25? |
???? |
????? |
|
????? |
???? |
356??10 |
20# |
36? |
???? |
????? |
|
????? |
???? |
325??10 |
20# |
28? |
???? |
????? |
|
????? |
???? |
351??10 |
20# |
42? |
???? |
????? |
|
????? |
???? |
325??10 |
20# |
65? |
???? |
????? |
|
????? |
???? |
299??10 |
20# |
51? |
???? |
????? |
|
????? |
???? |
245??10 |
20# |
13? |
???? |
????? |
|
????? |
???? |
273??10 |
20# |
77? |
???? |
????? |
|
??????? |
???? |
630??10 |
20# |
40? |
???? |
????? |
|
??????? |
???? |
530??10 |
20# |
38? |
???? |
????? |
|
??????? |
???? |
377??10 |
20# |
40? |
???? |
????? |
|
??????? |
???? |
426??10 |
20# |
32? |
???? |
????? |
20#??????????????????[(??-???)*???]*0.02466=kg/????????????? ?????????? ???磺 [(68-4)*4]*0.02466*1=6.31296??kg/??????????
?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
|
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