例句與造句

1. The highlights of this paper include : hoop toughness criterion for longitudinal heat checking of tool joint was introduced firstly ; failure criterion for crescent - shaped wear casing was established according to the results of full - scale collapse tests ; new - typed alloy for hardbanding of tool joint was developed , its property has showed good performance in the tests
   本文的主要創(chuàng)新點在于：以現(xiàn)場失效案例分析為基礎，提出了鉆桿接頭縱向熱裂的橫向韌性判據(jù)；通過對已磨損套管的實物擠毀試驗研究，確定了不均勻磨損套管的擠毀失效準則；設計出了具有獨立知識產(chǎn)權(quán)的鉆桿接頭硬化帶用新型耐磨減摩合金的成分，經(jīng)實驗室試驗表明其性能可以達到或超過國外同類產(chǎn)品。
2. It's difficult to find collapse test in a sentence. 用collapse test造句挺難的