So,technical innovation of casing scratcher is done.Free swivel joint is successfully applied.
但某些工具在施工中不能全满足施工质量和施工安全的要求。
So,technical innovation of casing scratcher is done.Free swivel joint is successfully applied.
但某些工具在施工中不能全满足施工质量和施工安全的要求。
声明:以上例句、词性分互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。