The little boy is towing a horse.

这小男孩正拽着一匹马。

The tug is towing three barges.

那只拖船正拖着三只驳船。

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

介绍一船模试验拖曳水池的直推式16摇板电液制造波机和波浪模拟方法及其计算机制。

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.

本文介绍交大船模试验池对五几何相似螺旋浆模型进行敞水试验研究的情况。