no arallel chord trunonparallel chord truss非: mistake; wrong; errors平行: of equal rank; on an equal f ...弦: bowstring; string the string ...杆: shaft; rod; bar桁架: truss下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:非平行弦杆桁架，即可在微信中查询翻译
