“knock kown(拍卖)”的概念、定义、翻译、参考文献-科学参考

单词	knock kown(拍卖)
释义	knock kown(拍卖) 敲桌卖出
随便看	countersunk head machine screw countersunk head rivet countersunk head screw countersunk hole countersunk not chipped rivet counter-sunk nut countersunk nut countersunk oval head rivet countersunk oval head screw countersunk rivet countersunk screw countersunk seat countersunk spigot countersunk square neck bolt countersunk washer counter SW counter switch counter telescope counter-test counter thrust counter tide counter timer counter top counter top basin counter torque

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