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˵࣬ǿҪһѷ
˱ֿ
ֿ·ͷٹ·1.2
ʳ
һͿ˽ٸͰ״ɫͰšÿһ߰˲¥ߡ
ᆳţб229ASTM D-3299裬С35֣ľǰЩ
߶30ףֱ15ף2445֡
ʳ滨2030ЩǮֻ1ҵʳһ˳ס¶
ң֤û
һӴһֱ2.5֡
ᆳųһ̨űȽϼĵԣʱʱ¶ȡʪȡ
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ඨ50004000ִס4000ִ6000С
ͨIJֿ⣬Ͱ״ֿ⣬˵ܶ࣬ʵҲֻаͰ
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ᆳȻܡ
˸ͷᆳصֿ⣬عصÿضŤ죬ſʼʳ
ʮӣһײȫߡ
ǵڶڰ˸
ȫԺſ˷
ͨ⡣
ʷеɱ˴š
ֻλͦߣһȫŤͷ
ͬ÷ڸ㶨
ô죬ʱѾ硣
߳ʱᆳ͡
˵ôչʳʲôԭ𣿡
˵ǡǡ
ɫŵҲʳ𣿡
ٸ˺üˣ⼸۶6ˡ
һɹԱ֪ʲôϢŶ
˸
ȴǰԵͷ
Ȼ
ٸˡ
ϴηʱĺɴŮͷС
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