Damaged leaf springs for Hong Yan model CQ30290 dumper are able to be reme-died by welding,but should prevent from bot cracks,it is reported by the authors in this paper.是什么意思_Damaged leaf springs for Hong Yan model CQ30290 dumper are able to be reme-died by welding,but should prevent from bot cracks,it is reported by the authors in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句