When the seal-up international postal articles or postal materials are returned to the postal enterprise or its branch office, the postal staff shall check carefully to see if they are all in good condition before they sign to acknowledge the hand-over.是什么意思_When the seal-up international postal articles or postal materials are returned to the postal enterprise or its branch office, the postal staff shall check carefully to see if they are all in good condition before they sign to acknowledge the hand-over.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句