单项选择题
A.BMS5-26或BMS5-45密封胶 B.BMS5-63密封胶 C.BMS5-28封严胶 D.BMS5-95密封胶
A.CFM56-7B18、CFM56-7B20、CFM56-7B22 B.CFM56-7B20、CFM56-7B22、CFM56-7B24 C.CFM56-7B22、CFM56-7B24、CFM56-7B26 D.CFM56-7B24、CFM56-7B26、CFM56-7B27
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