单词:polish rod
井口油桿
polish rod的用法和样例:
例句
- The new assembly can make the joint of the polished rod pass through, therefore can meet the need of new oil production technology.这种密封盒可以使比光杆杆体直径大得多的光杆接头通过,能满足新的采油工艺需要。
单词:polish rod 相关文章
The United States and Poland have signed an agreement to station elements of a U.S. missile defense shield on Polish soil. In this report from Washington, Senior Correspondent Andr de Nesnera looks at the agreement which is vehemently opposed by Rus
发表于:2019-01-13 / 阅读(51) / 评论(0)
VOA标准英语2008年(八月)
By Paula Wolfson White House 10 March 2008 President Bush says the United States will help modernize the Polish military as part of a deal to put components of a missile defense system in Poland. VOA's Paula Wolfson reports the announcement came as t
发表于:2019-01-31 / 阅读(36) / 评论(0)
VOA标准英语2008年(三月)