guide drill rod造句

例句与造句

1. This paper , on the basis of analyzing accurately guiding drilling rod receiving strength state , stresses are calculated , has put forward the computing technology of project
   本文在正确分析了导向钻进中钻杆的受力状态的基础上，进行了钻杆应力计算，提出了工程计算方法。
2. It's difficult to find guide drill rod in a sentence. 用guide drill rod造句挺难的