例文
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- So manufacturers offer another line of defense, called a sacrificial anode rod.
- Some manufacturers offer an extended warranty kit that includes a replacement anode rod.
- Check your owner's manual or contact the manufacturer for instructions on checking the anode rod.
- Finally, in most water heaters is a long magnesium bar known as an anode rod.
- You might try having the anode rod replaced, but I don't think that is the problem.