HD electric single girder overhead crane is jointly designed and developed single girder overhead crane product with Singapore EZ Crane &Design PTE LTD.是什么意思_HD electric single girder overhead crane is jointly designed and developed single girder overhead crane product with Singapore EZ Crane &Design PTE LTD.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句