Nozzle, gooes neck, injection plunger head and melting pot sleeve are made from hot work steel from Germany, so their life spans are long.
射咀、鹅头、压射头及料壶司筒采用德国优质热作钢制造，使用用寿命长；
In this paper, the failure mechanism of plunger seals for injection pump used in oil field is investigated and the features of existing reciprocating seal structures are evaluated.
对大功率油田注水柱塞泵柱塞密封的失效机理进行了论述，分析了现有几种典型的密封结构。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
When injection of an inner plunger of the refill of the pen insulin syringe stops, the convex plunger is tallied with the top of a refill bottle and fills the whole space.
当笔式胰岛素注射器笔芯内柱塞推注到终止时，凸型柱塞与笔芯瓶顶部相吻合，充满整个空间。
Series of study and developing on Fuel Injection System with Top Clearance Plunger were presented in this paper.
本文主要对顶隙柱塞喷油泵进行了一系列的研究与开发工作。
The effects of the wear of plunger pair on delivery fuel characteristic of fuel injection pump is investigated.
通过实验得出了柱塞偶件磨损对喷油泵供油特性的影响规律。
And new viewpoints about the adjust of the fuel delivery advance Angle and fuel-injection pressure were put forward under the condition of plunger wear.
最后就柱塞副磨报后供油提前角和喷油压力的调整策略提出了新观点。
And new viewpoints about the adjust of the fuel delivery advance Angle and fuel-injection pressure were put forward under the condition of plunger wear.
最后就柱塞副磨报后供油提前角和喷油压力的调整策略提出了新观点。
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