F61 serial liquid flow switch suits for measuring the liquid flow conditions from the pipes, such as: water, ethylene, glycol or other liquid which will not corrupt brass or phosphor bronze.
F61系列的液体流量开关，用于测量流经管道的液体流动状态，例如：水、乙烯、乙二醇或任何对黄铜、磷青铜无腐蚀作用的流体。
The nitrogen, phosphor, potassium and other trace elements added for necessary of plants, it can be multi-functional and efficient liquid compound fertilizer complex.
配以植物所需的氮、磷、钾和微量元素后，可成为多功能、高效的液体复合肥。
The nitrogen, phosphor, potassium and other trace elements added for necessary of plants, it can be multi-functional and efficient liquid compound fertilizer complex.
配以植物所需的氮、磷、钾和微量元素后，可成为多功能、高效的液体复合肥。
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