常見例句雙語例句What's the difference between building-berth and launching cradle?船臺和下水支架有什麼區(qū)別？Building berth is the fixed ground support and launching-cradle is only used before launching.船臺是固定的地麪支撐，下水支架僅用於下水時用。www.shipman.org.cnBuilding berth is the fixed ground support and launching-cradle is only used while launching. The latter will be sliding together with the ship into the water.船臺是固定的地麪支撐，下水支架僅用於下水時。後者在下水時與船躰一起滑入水中。 返回 launching cradle