Using type of QTZ250 and QTZ4000, horizontal jib tower crane, as sample, this article analyses the whole process and the result in the way of Finite Element method.是什么意思_Using type of QTZ250 and QTZ4000, horizontal jib tower crane, as sample, this article analyses the whole process and the result in the way of Finite Element method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句