Through successive improvement, the E-601 type of evaporimeter was stipulated as a standard measuring instrument in China for water-surface evaporation capacity in 1988.
我国水面蒸发量观测仪器类型很多，通过不断改进，1988年规范规定E- 601型蒸发器为水面蒸发测量的标准仪器。
Through successive improvement, the E-601 type of evaporimeter was stipulated as a standard measuring instrument in China for water-surface evaporation capacity in 1988.
我国水面蒸发量观测仪器类型很多，通过不断改进，1988年规范规定E- 601型蒸发器为水面蒸发测量的标准仪器。
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