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采用坚固、质高等级工程塑料制造,配置实心黄铜连接件和聚乙烯浮球。
Manufactured using rugged, high quality engineered plastic with solid brass connections and polyethylene float.
youdao
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采用坚固、质高等级工程塑料制造,配置实心黄铜连接件和聚乙烯浮球。
Manufactured using rugged, high quality engineered plastic with solid brass connections and polyethylene float.
youdao