问英语好的兄弟姐妹帮忙翻译一下下面的几个词语下！B柱下封板焊接总成 座椅安全带卷收器加强件（板） 纵梁后段盖板总成 纵梁后段前盖板 纵梁后段前盖板 纵梁后段后盖板 纵梁后段第一撑板

B柱下封板焊接总成 B column lower sealed welding plate assemly 座椅安全带卷收器加强件（板） coiler reinforcement ( plate) of seat safety belt 纵梁后段盖板总成  cover plate assemble at backward section of longitudinal beam 纵梁后段前盖板 cover plate at forward section of longitudinal beam 纵梁后段后盖板 cover plate at backward section of longitudinal beam 纵梁后段第一撑板 FIrst bracing plate at the backward section of longeron

B column under seal welded assembly seatbelts volume charge device strengthen pieces (board) longitudinal posterior segment cover plate assembly longeron posterior segment front cover longeron posterior segment front cover longeron posterior segment HouGaiBan longeron posterior segment first hold plate