硫化胶的各项物理机械性能均达到我国石油天然气行业标准(SY5549 - 92)中抽油泵村套橡胶性能要求。
All physical - properties of the vulcanizate achieved the property requirements of oil pump bushing according to the petroleum and natural gas industry standards (SY5549-92) at home.
在标准半消声室，用B&K3560噪声测量分析系统对4110Q柴油机整机和油底壳、飞轮壳、喷油泵、摇臂罩等零部件的噪声进行了台架试验研究。
The noise of 4110Q diesel engine and its oil pan, flywheel cover, oil pump, valve chamber has been studied by the analysis system of B&K3560 in the normal Semi-anechoic chamber.
标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。
The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.
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