Hand holding test tube with water in the lake. The concept of environmental pollution.

Scientist and biologist hydro-biologist takes water samples for analysis. Hand is collects water in a test tube. Pond water pollution concept

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图像库的Scientist and biologist hydro-biologist takes water samples for analysis. Hand is collects water in a test tube. Pond water pollution concept 图像 Image 146713470.

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Scientist And Biologist Hydro-biologist Takes Water Samples For Analysis. Hand Is Collects Water In A Test Tube. Pond Water Pollution Concept 正版图像 123RF中国 - 高质量免版税图像库. Image 146713470.

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Scientist and biologist hydro-biologist takes water samples for analysis. Hand is collects water in a test tube. Pond water pollution concept

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