electric seed bed heater

例句：

1. 1.This electric seedbed heater is designed to warm the soil and promote plant growth.
   这款电种子床加热器旨在温暖土壤并促进植物生长。
2. 2. The farmer used this electric seedbed heater to improve the quality of his crops.
   这位农民使用这款电种子床加热器来提高他作物的质量。
3. 3.The electric seedbed heater was a revolutionary tool for farmers in the 20th century.
   这款电种子床加热器是20世纪农民的革命性工具。