A区：不良面积在0.1m㎡以内，目视不明显，且同一面只能有一处，可接受

A区：不良面积在0.1m㎡以内，目视不明显，且同一面只能有一处，可接受（AC），反之则拒收（RE）

Results (English) 1:

Area: bad within the area of 0.1M square meters, visually inconspicuous, and one can only have one place, acceptance (AC), otherwise reject (RE)

Results (English) 2:

A zone: bad area within 0.1m㎡ visually obvious, and with only one side, acceptable (AC), otherwise rejected (RE)

Results (English) 3:

A: bad area less than 0.1M square meters, visual is not obvious, and one can only have one, accepted (AC), otherwise reject (RE)