A.10mm B.20mm C.50mm
A.2% B.3% C.7% D.10%
A.0.20m(8″)、0.31m(12″) B.0.25m(10″)、0.31m(12″) C.0.15m(6″)、0.20m(8″) D.0.31m(12″)、0.36m(14″)