管道尺寸计算和管线表。
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。
It is convenient to use the table to calculate cooling water system's pipe resistance.
切记工人须按正规操作，经常检查压力表、报警器、安全阀管道畅通。
Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.
切记工人须按正规操作，经常检查压力表、报警器、安全阀管道畅通。
Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.
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