B2B-PH-SM4-TB(LF) B2B-PH-SM4-TB(LF)( B2B-PH-SM4-TB(LF)(SN) B2B-PH-SM4-TB(LF)(SN)(P) B2B-PH-SM4-TB(LF)(SN)F B2B-PH-SM4-TB(LF)(SN)F 其他IC B2B-PH-SM4-TB(LF)(SN)-T B2B-PH-SM4-TB(LF)(SN.P B2B-PH-SM4-TB.LF.SN B2B-PH-SM4-TB-LF-SN