Report copyright - 96.3 931,100 89,664,930 単-41号 掘削・支保 CⅡ-L m 32.2 1,220,000 39,284,000 単-42号 式 1 103,022,300 CⅠ-L m 93 836,900 77,831,700 単-43号 CⅡ-L m 31 812,600 25,190,600
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