The valve chamber cover is missing.
阀室盖不见了。
Place the relief valve seat back into the chamber bore.
将安全阀阀座放回到镗孔内。
The oil access of pressure-regulating valve is connected with the high pressure oil chamber.
调压阀的进油道与喷油泵的高压油腔相通。
The oil access of pressure-regulating valve is connected with the high pressure oil chamber.
调压阀的进油道与喷油泵的高压油腔相通。
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