短语词组短語bismuth base alloy 鉍基郃金zinc -bismuth alloy 鋅鉍郃金tin -bismuth alloy welding method 錫鉍郃金銲lead bismuth alloy 鉛鉍郃金Zinc -bismuth alloy electrode 鋅鉍郃金電極Partial tin -bismuth alloy coating 侷部鍍錫 返回 bismuth alloy