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cracking test造句

造句2.24W

The cold cracking sensibility of high tensile pipeline-steel was studied by Ygroove cracking test using seven kinds of high cellulose electrode of vertical down position welding.

cracking test造句

On the basis of the principles and structures of the cold cracking implant testing machine, the study on the implant equipment of reheat cracking test is reviewed in this paper.

标签:造句 test cracking