The tests of refining by oxygen blow were made on melting lowtinbronze.
对低锡青铜进行了吹氧精炼试验。
2
For example steel base plated copper, nickel, chromium plating, low layer again tinbronze chrome, multi-layer nickel chrome plating nickel ferroalloy, chrome, and so on.
例如钢基上镀铜、镍层再镀铬、低锡青铜上镀铬、多层镍上镀铬、镍铁合金镀层上镀铬等等。
3
Steel backed-tinbronze bi-metallic sleeve can be used to substitute all bronze sleeves due to its low manufacturing cost, better wearing quality and longer service life.