A.60滴 B.80滴 C.100滴 D.125滴 E.140滴
A.2~4層 B.4~6層 C.6~8層 D.8~12層 E.12~14層
A.2%~3%硼酸溶液 B.1%~3%過氧化氫溶液 C.0.1%醋酸溶液 D.1%~4%碳酸氫鈉溶液 E.復(fù)方硼砂溶液