zinc castings锌: zinc铸件: foundry goods; foundry; cast ...锌铸: zinc casting铬酸处理(镁锌铸件镀铬): dichromate treatment铸件: [冶金学] foundry goods; foundry; cast; casting 干砂铸件 dry sand casting; 压铸件 die casting; 冷硬铸件 chill [chilled] casting下载手机词典可随时随地查词查翻译