短语词组短语test bus bar 试验母线separately cast test bar 分铸试验;分铸试棒;翻译attached test bar 附铸试棒flexure test bar 抗弯试棒fork test bar 叉形试棒cast integral test bar 主体铸造试棒resolution test bar 分解力测试条separated test bar of 单铸试块on test bar 铸造试棒 返回 test bar