Valve shall have a brass body and stainless steel stem and spring.
这种阀门应该是黄铜阀体，不锈钢阀杆和弹簧。
The components of aluminium-nickel-brass explosion-preventive spring alloy were determined by orthogonal design and the effects of cold-extrusion deformation on alloy function.
采用正交试验，确定了铝镍复杂黄铜防爆弹性合金的化学成分，并试验了冷挤压变形对合金性能的影响。
You can specify Spring Retainers made of Steel, Stainless Steel, Aluminum, Copper, Brass and other malleable metals.
您能指定弹簧护圈使用钢铁、不锈钢、铝、铜、黄铜和其它可锻金属来制造。
You can specify Spring Retainers made of Steel, Stainless Steel, Aluminum, Copper, Brass and other malleable metals.
您能指定弹簧护圈使用钢铁、不锈钢、铝、铜、黄铜和其它可锻金属来制造。
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