(A)0.35~0.88Mpa (B)0.35~0.60Mpa (C)0.15~0.35Mpa (D)0.15~0.88Mpa
(A)0.35Mpa (B)0.60Mpa (C)0.88Mpa (D)0.15Mpa
(A)頂部床層排氣口全為液體 (B)頂封頭排氣口全為液體 (C)循環(huán)泵高點放空全為液體 (D)以上全是