用“DWTT”造句大全，DWTT造句

2、Factors Affecting DWTT Property of X80 Pipeline Steel

5、But for medium thickness pipe DWTT, it usually converse fraction of figure transforming much in break part, and make specimen failure.

1、Influence of Microstructure to DWTT Property of X70 Pipeline Steel

6、但是中厚壁钢管DWTT试验经常产生解理断裂部分塑*变形大的逆向断口，使试样无效。

4、Experimental Investigation to Fracture Behaviors of Drop-Weight Tear Test(DWTT) Specimens for High Performance Pipeline Steel

7、论述了落锤撕裂试验的方法和标准，并对用DWTT来评定管材及其焊接接头的韧脆转化能力进行了探讨。

3、THE CORRELATION ANALYSIS BETWEEN COOLING MEDIUM AND COOLING RESULT OF DWTT SPECIMEN