拖网渔船已经驶离了泽布吕赫港。The trawler had sailed from the port of Zeebrugge.他们曾见过他用拖网捕鱼，因此知道那里有鱼。They had seen him trawling and therefore knew that there were fish.渔船已出海,在海湾用拖网捕鱼.The boat were out trawling the bay....
Machine technician can use this language to show the assembly project expediently.这种语言能够使机床技术人员用直观、便捷的方法来演示虚拟机床的装配方案.Non - grade speed adjustment by frequency converters, working steadily, use and maintenance expediently...