久久精品aⅴ无码中文字字幕重口,蜜桃久久久电影,欧美最猛,日韩天天射

EZNiFe

Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.
鎳鐵，強(qiáng)度高、塑性好。重要灰鑄鐵及球鐵焊補(bǔ)用，如汽缸蓋

ENiFe-Cl

Z 508

EZNiCu-1

Copper nickel, good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.
鎳銅，易加工，但抗裂性較差。不受力的灰鑄鐵加工面及砂眼補(bǔ)焊

ENiCu-B