姝ｉ噾鍏冩柟鐭╃緇撴瀯鎵瑰彂04-30
姝ｉ噾鍏冮晙閿岀璁＄畻閲嶉噺鍏紡
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銆�銆�鍋囪鏈変竴鏍規閲戝厓闀�閿岀錛屽叾澶栧緞 D=48 姣背錛屽鍘?S=3.5 姣背銆?/span>
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銆�銆�W=0.02466脳(48鈭?.5)脳3.5=0.02466脳44.5脳3.5鈮?.84 鍗冨厠/綾沖洜姝わ紝榪欐牴闀�閿岀姣忕背鐨勯噸閲忕害涓?3.84 鍗冨厠銆?/span>
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涓婁竴綃囷細
姝ｉ噾鍏冮晙閿屾柟鐭╃鐜拌揣鐩撮攢
涓嬩竴綃囷細
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