英汉例句

• unlike that of tempered martensite structure, there is little effect of oxygen content on the fatigue properties of ferrite-pearlite steel.

  与调质回火马氏体组织不同，氧含量对铁素体-珠光体组织的疲劳性能没有明显的影响。

• the strength of the steel was highest when aging at 470℃. the tempered martensite embrittlement appeared at 450℃ i. e. , the impact toughness was the lowesies.

  时抗拉强度达最高值，在450℃附近时效出现回火脆性，沖击韧性处于低谷。

• bainite has higher abrasive wear resistance than tempered martensite with equal or higher hardness in hard abrasion, but in reverse in soft abrasion.

  下贝氏体组织在高应力磨料磨损下比相同硬度，或稍高硬度的回火马氏体组织具有较高的耐磨性，但在低应力磨损下表现为不利的作用。

• tempering treatment resulted in formation of tempered martensite and the spalling resistance under repeated strong impact abrasion working conditions was largely improved.

  在反复强力沖击工况条件下，回火得到回火马氏体，抗沖击剥落能力大为增加。

• overheating can result in over tempered martensite (otm) or untempered martensite (utm) formations in the base metal.

  过热会造成在本体金属中形成过回火马氏体（otm）或者欠回火马氏体（utm）。

• as the tempering temperatures are increased, the breakdown of the martensite takes place at a faster rate, and at about 600℉(315℃) the change to a structure called tempered martensite is very rapid.

  随着回火温度的提高，马氏体以较快的速率分解，并在大约600℉（315℃）迅速转变为被称为回火马氏体的结构。

• the evolution of deformation dislocation structure during the tensile loading was examined by transmission electron microscopy in the tempered martensite of low and middle carbon alloy steels.

  应用透射电子显微术研究低碳及中碳合金钢回火马氏体的形变位错结构随拉伸加载过程的演变。

• tempered martensite was gradually generated as the cutting temperature increased, which is the main cause of the decrease in the hardness.

  随着加工温度升高，工件表面逐渐产生回火马氏体，这是造成工件表面硬度下降的主要原因。

• low-alloy ultrahigh strength steel 300m in tempered martensite condition is a main structural material of aircraft landing gear.

  低合金超高强度钢300m是飞机起落架用的主要材料。