The discharge coefficient for each elbow flowmeter should be calibrated in practice.
每个弯管流量计的流量系数须经过实际标定。
The discharge elbow shall be designed to carry the full weight of the pump, motor and discharge piping.
排泄弯头设计结构应该能够承受泵、电机和排泄管道的全部压力。
On returning pump to discharge elbow, lower hoist cable until it is slack.
放松起重机吊索，使泵回到排泄弯管。
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