Design of HDPE speciality resin for double wall corrugated pipe with ultra-large diameter;
HDPE超大口径双壁波纹管专用树脂的设计
The expert system for the design and proper use of large diameter bits is composed of the subexpert systems for the design and proper use of large diameter bits and a graphical data base.
大口径钻头设计与合理使用专家系统，由大口径钻头设计专家系统、大口径钻头合理使用专家系统、大口径电脑图库三部分组成。
large-orifice sprinkler system
大口径洒水喷头系统
large-drop sprinkler system
大水滴洒水喷头系统
European conventional style sprinkler
欧洲传统式洒水喷头
extended coverage sprinkler
扩大覆盖面洒水喷头
extra-large orifice sprinkler system
特大喷口喷水灭火系统
foam-water sprinkler system
泡沫-水喷洒灭火系统
reverse spray sprinkler
倒向喷雾式洒水喷头
quick-response extended coverage sprinkler
快速反应扩大覆盖面洒水喷头
extended coverage sidewall sprinkler
扩大覆盖面边墙式洒水喷头
space protected by sprinkler
有洒水喷头保护的区域
high-temperature head
感高温自动洒水喷头
dry upright sprinkler
干式直立型洒水喷头
outlet for water in a sprinkler system
喷灌系统中的出水口
Fire and water (including the water from ceiling sprinkler systems) can do great damage to equipment.
火与水（包括来自天花板上喷洒灭火系统的水）可能对设备造成极大的损害。
quick response early suppression sprinkler
快速反应早期灭火洒水喷头
early suppression fast-response sprinkler
早期灭火快速反应洒水喷头
fully sprinkler space
全部有洒水喷头保护的空间
Automatic deluge system nozzle choice and application;
自动喷水灭火系统喷头的选择和应用