Basically, those steel pipe materials which, with adequately high strength, show sufficient toughness, good welding behaviour and resistance to corrosive media are in demand.

基本上，这些需求的钢管材料，都具有足够大的强度，韧性，良好的焊接能力以及耐腐蚀介质。

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The results show that the apparent fracture toughness of the sample decreases linearly with the increasing applied electric field in all states.

结果表明在各种情况下，表观断裂韧性都随外电场的增加而线性降低。

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The results show that the fracture toughness of Cr-coatings is improved by laser quenching substrate.

结果表明，激光淬火处理基体可以提高镀铬层的断裂韧性。

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Another motive may have been to show toughness at home when a concession was being made to America.

ECONOMIST: A vital relationship survives a critical test

Six of Mr Zeevi's right-wing colleagues, who with him had been at the point of resigning from the governing coalition, said they would give Mr Sharon a chance to show toughness.

ECONOMIST: The war continues

This is where the president needs to show his toughness and just do it.

CNN: Time for Obama to go 'gangsta' on GOP