如果你想替换弹出式排水管，你可用可调式扳手拆除连接排水管和法兰的螺丝，然后从T型三通处拆掉排水法兰。

Unscrew the nut that connects the drain to the flange using an adjustable wrench if you are replacing the pop-up drain. Then remove the drain flange from the T-connector.

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如果你不能从T型三通处拆掉法兰，可用金属锯片将T型三通上方的部分锯掉。

If you can't unscrew the drain flange from the T-connector, use a reciprocating saw with a metal-cutting blade and cut the drain assembly away just above the T-connector.

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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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