In modern times，the work of stowage is generally deputed to stevedores，but that does not generally relieve the shipowners（）their duties even though the stevedores are，under the charter-party，to be appointed by the Charterers． to。 by。 in。 of。
矿井排水是将流入井下的水集中起来，再排至地面。
简述电路的十条纪律。
PowerPoint 2003中，演示文稿的基本组成单元是（）。 文本。 图形。 超链点。 幻灯片。
试述楼板层的组成？
A double suction centrifugal pump impeller has been installed in the reverse direction, and will （）.
