towing

1.The little boy is towing a horse.

这个小男孩拽着一匹马。

2.The tug is towing three barges.

那只拖船拖着三只驳船。

3.An introduction of a 16 channels electro-hydraulic servo control wave maker constructed in a ship model testing towing tunk.

介绍一个建于船模拖水中直推式16摇板电液伺服控制造波机和波浪模拟方法及其计算机控制。

4.A programme of experimental research on five geosim propeller models has beencarried out in the ship model towing tank of the Shanghai Chiao-Tung University.

本文介绍交大船模对五个几何相似螺旋浆模型进行敞水研究情况。