(A) suction port and exhaust port
(B) transfer port only
(C) suction port and transfer port
(D) transfer port and exhaust port
(E) suction port, exhaust port and transfer port
(A) suction port and exhaust port
(B) transfer port only
(C) suction port and transfer port
(D) transfer port and exhaust port
(E) suction port, exhaust port and transfer port
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