tough pitch

tough pitch什么意思,tough pitch翻译

基本解释

un.: 紫铜；韧铜

英汉解释

• 韧铜

• 紫铜

例句

• Standard Specification for High Conductivity Tough-Pitch Copper Refinery Shapes

  高电导率韧炼铜精炼型材标准规范