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ʯˮࡢɰӵƷ֡ǿȡɫƼع淶Ҫгϸ֤ ʯļɰƷ֣ǿȱҪ תǴͬʱӴͬʱʱб鶡 Ŀ
ʯӦ´죬ʯʯãʯÿ0.7m2ǽ治Ӧ1顣ʯƽȣҷһ£ҷȷʩ淶Ĺ涨
ǽӦ߶ҹ죬ճι̣ʵ࣬ᡢ콻ƽǽྻۡ Ʊ
ڱƫ 50 mmƫ500 mm150 mmƽƫ 50 mmǽ߶ƫ15mmƫ+20 mm-10 mmƽƫ20mm 15
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6m4mǽȷֱΪ173.27m37.00m乤±ǽķ˰ú17.71 m380.96 m2
2 ǽҪһ 16
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ƽ¶Ϊ11.7511.50ƽ̨Ϊ£¶Ϊ2.0% ָ꣺
ҪֲѹʵѹʵϵС0.9ƽرƫ 50 mmƽƫ 20 mm ƽ̨ڷ3464.37 m33515.26 m3
¹ڷ0.15 m310690.86 m3 17
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1.5ɽʻָ 1.5.2ֲ 3
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