A.無(wú)形磨損的局部補(bǔ)償 B.無(wú)形磨損的完全補(bǔ)償 C.有形磨損的局部補(bǔ)償 D.有形磨損的完全補(bǔ)償
A.11.64% B.12.50% C.14.17% D.16.35%
A、607 B、687 C、695 D、702