单项选择题
A.230 B.250 C.280 D.300
A.110/4500 B.120/4500 C.110/5000 D.120/5000
A.135-1855 B.135-1857 C.137-1855 D.137-1857
A.1525kg B.1535kg C.1545kg D.1555kg
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