關于等中心治療的定義正確的是()
A、以機架角為半徑，機架轉軸為旋轉中心，將病變中心或靶區放在旋轉中心軸上A
暫無解析
運輸包裝上的標志就是運輸標志，也就是通常所說的嘜頭。
Each year, FIATA holds a （）, which brings together the freight forwardingindustry and transport world.
指出下列信用證條款中屬于軟條款信用證性質的是（）。
Which of the following trade terms can be adopted supposing the shipment will be from Chengdu (Sichuan Province) to Hamburg?
( )system concerns itself with shipment of containers overland as a part of asea-land or a sea-land-sea route.
