Report copyright - 3dl.offcn.com/aa/xj/20200630012.pdfA B A 300 1.5 / B 200 3 / A 50 B A.475 B.500 C.525 D.615 5. 8 10 40% 20% A.2 B.8 C.10 D.12 6. 4.5 9 3 A.1 2 B.1.5 1.5 C.2 1 D.1.2 1.8
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