R?ttgers Ketten GmbH &Co. KG - the delivery program covers Round steel bar handle, Beaded chains and Conveyor chains as well as Tape chains and Knot chains.是什么意思_R?ttgers Ketten GmbH &Co. KG - the delivery program covers Round steel bar handle, Beaded chains and Conveyor chains as well as Tape chains and Knot chains.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句