... 短半径弯头 90°SS Elbow (SR) 管子阻力 pipe resistance 两端分别带有内外螺纹的巨细头 female-male reducer ...
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pipe resistance coefficient 管流阻力系数 ; 管阻力系数
resistance weld pipe 电阻焊管 ; 接触焊管
pipe resistance characteristic 管阻特性
It is convenient to use the table to calculate cooling water system's pipe resistance.
应用该计算表可快速、确地计算出冷却水系统的管道阻力，使用起来非常方便。
The paper introduces the approximate formula for the head curve of pump, the pipe resistance curve of system and the efficiency of pump with relative value.
介绍了扬程特性、管阻特性和水泵效率的相对值近似表达式。
Basically, those steel pipe materials which, with adequately high strength, show sufficient toughness, good welding behaviour and resistance to corrosive media are in demand.
基本上，这些需求的钢管材料，都具有足够大的强度，韧性，良好的焊接能力以及耐腐蚀介质。
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