The museum tour group gathered around an old mortar displayed near the visitor center entrance.

博物館的導覽團聚集在遊客中心入口附近展示的一門舊迫擊砲旁。

Our shipping department needs special permits to transport the decommissioned mortar to the collector in Osaka.

我們的出貨部門需要特別許可，才能把這門已除役的迫擊砲運送給大阪的收藏家。

The defense contractor's quarterly report showed strong sales of mortar systems to overseas clients.

這家國防承包商的季報顯示，迫擊砲系統在海外客戶間銷售強勁。