Among the pressure contacts studied, indium contact has the lowest contact resistance, while copper, tin, and phosphor-bronze contacts must be electrically formed before use.
在铟、紫铜、锡、磷铜等机械接触中，铟电极具有最低的接触电阻，其他电极须经电冶成方能进行测定。
Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.
锡磷青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用。
Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.
锡磷青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用。
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