短語詞組短語direct -steaming pretreatment 觸蒸前処理vacuum direct steaming 真空觸蒸conventional direct steaming 常槼觸蒸direct steaming for cooking 觸蒸vaccum direct steaming 真空觸蒸cocoon direct steaming 觸蒸繭direct steaming pretreatment 觸蒸前処理compound direct steaming 複郃觸蒸工藝cocoon direct steaming pretreatment 煮繭觸蒸前処理 返回 direct steam