You need a powerful saw to cut through metal.

切割金属需要用功率大的锯。

《牛津词典》

Circular saw: Look for 12 amps minimum, to cut metal and concrete with the appropriate blade.

圆锯：查找最低限度12安培，辅以合适的刀片用于切割金属和混凝土。

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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.

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。

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