填料：填料内含防腐剂，避免锈蚀阀杆。
Packing: Packing contains corrosion inhibitor to avoid stem pitting.
填料：填料内含防腐剂，避免锈蚀阀杆。深度填料函确保较长的填料使用寿命。
Packing : packing contains corrosion inhibitor to avoid stem pitting . stuffing box is deep , assuring long packing life.
STG泵此处采用镶配不锈钢轴套，避免锈蚀发生，提高了轴寿命，降低了运行维护成本。
STG pump with stainless steel sleeve inserts used here to avoid the corrosion occurrence of increased life expectancy axis, reducing operation and maintenance costs.
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