弯头应该用螺栓固定在湿井地面，并且设计成具有不需要任何螺栓、螺母或皮带即可连接泵设备的连接法兰的能力。
The elbow shall be bolted to the floor of the wet-well and be so designed as to receive the pump connecting flange without the need for any bolts, nuts or clamps.
重新将安全阀软管接到底部法兰盖内的弯头上。
Reattach the relief valve hose to the elbow in the bottom flange cover.
以插图及表格形式论述了法兰、管段、三通、弯头和填料泄漏勘测的具体要求和数据。
The specific requirements and basic data for the flange, pipe-segment, tee, elbow, and stuffing box were expounded with the figures and lists.
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