This paper reported the pathogen and its prevention method of the serious disease which caused large scale death on the cage cultured Trachinotus ovatus in Hainan.
报道了海南海水网箱养殖卵形鲳大规模死亡的病原及其防治方法。
The principle of magnetic scaler that was based on the method of magnetic scale removal and prevention was introduced.
介绍了利用磁化除垢、防垢法研制出的磁化除垢器的基本原理。
The principle of magnetic scaler that was based on the method of magnetic scale removal and prevention was introduced.
介绍了利用磁化除垢、防垢法研制出的磁化除垢器的基本原理。
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