为了设计和操作效能和安全系数都极高的船舰，造船设计师和工程师们必须掌握此领域的先进知识。
Naval architects and naval engineers gain advanced knowledge of this field in order to design and operate naval vessels with maximum efficiency and safety.
在生产过程中安全系数高、去泡时间短、操作简便。
High safety factor, short removing bubble time, easy operation.
我们对每个使用者都设定了等级和使用范围，并通过数据库完成操作，安全系数高。
Level and scope of use is set for each user, and is operated through database, characteristic of high safety coefficient.
在川东北的河坝1井和河坝2井的应用结果表明，新型承压堵漏剂安全系数高、可操作性强，具有封堵能力强、候凝时间短的特点。
The application of it on Heba1 well and Heba2 well in northeast Sichuan area shows that the new agent has the features of safety, operability, good effect of plugging, short waiting on cement.
所研制的新型单体液压支柱具有结构工艺简单、工作行程大、使用范围大、稳定性安全系数大、重量轻、操作安全可靠等特点。
The new hydraulic support has some characteristics such as simple structure technique, big work-distance, large use-range, big stability safety factor, light-weight, safety-operation and so on.
所研制的新型单体液压支柱具有结构工艺简单、工作行程大、使用范围大、稳定性安全系数大、重量轻、操作安全可靠等特点。
The new hydraulic support has some characteristics such as simple structure technique, big work-distance, large use-range, big stability safety factor, light-weight, safety-operation and so on.
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