The injection pressure is commonly described as the surface pump pressure required to achieve injection.
注入压力普遍地是指实现注入所需的地面泵压。
The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM.
对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。
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