sub-carriage的意思|示意

This series dump truck adopts quality hydraulic components, sub-chassis and carriage. Longitudinal beam adopts is made of quality manganese plfore jointing and folding.

该系列自卸车选用国际外优良名牌液压件、副车架和车厢纵梁均采用优良锰板焊接和锰板折弯制作而成。

Sub-lance carriage fall arrest mechanism relates to an oxygen supply equipment on a top-blown oxygen converter.

副枪小车防坠落机构，涉及一种氧气顶吹转炉上的供氧设备。