英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
myrrhine查看　myrrhine　在百度字典中的解释百度英翻中〔查看〕
myrrhine查看　myrrhine　在Google字典中的解释Google英翻中〔查看〕
myrrhine查看　myrrhine　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • How many gallons per minute can a fire truck pump?
    How many gallons per minute can a fire truck pump? Contemporary fire engines carry their own water, a pump to move the water, and hose Water tank sizes can range from 500 - 1,500 gallons Pump capacity is measured in gallons per minute (gpm) and most pump capacities are between 1,000 gpm - 2,000 gpm
  • Fire Pump Rating (Size) Selection - ANVIL FIRE
    While manufacturer's pump curves go way beyond the ratings above, NFPA 20 section 4 8 1 only allows you to use a fire pump out to 150% of its rated capacity That means that a 300 gpm pump can be run out to 400 gpm (300 x 1 5) and could easily meet the example demand flow rate
  • Fire Pump Selection Guide - FAMA
    Pump sizes are determined by their flow capacity in Gallons per Minute (gpm) Common size ratings of Midship Split Driveline pumps available include:500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000, 3500, 4000, 5000, 6000 gpm Note: Pumps with a size of 3000 gpm or more are often referred to as industrial pumps Pro’s:
  • How To Size a Fire Pump the Basics of Fire Pump Curves - QRFS
    This article looks at how fire pumps are sized based on the criteria listed in core standards: NFPA 13: Standard for the Installation of Sprinkler Systems (2019 edition) and NFPA 20: Standard for the Installation of Stationary Pumps for Fire Protection (2019 edition)
  • What is the standard GPM for a fire pump? - 119pump. com
    According to NFPA 20, the minimum rated capacity of a fire pump is typically 250 gallons per minute (GPM) However, fire pumps can have higher capacities depending on factors such as the size of the protected area, the hazard classification, and the specific requirements of the local fire department or authority having jurisdiction
  • PUMP SPECIFICATION GUIDE - Waterous Co
    If you are using a single-stage pump to flow less than rated capacity, you will need to spin it faster than a two-stage pump This results in additional fuel consumption for the engine A typical diesel engine consumes about 20 gallons of fuel per hour when run at governed speed
  • What is the Capacity of a Pumper Truck? - Fire Rescue Truck
    Standard fire engines typically carry 500 to 1,500 gallons of water and feature pumps delivering 1,250 to 2,000 GPM, but specialized pumper trucks can exceed these specifications based on operational needs





中文字典-英文字典  2005-2009