... 顶层空间取样瓶 Micro-Reaction Vial 氧取样瓶 oxygen sampling bottle 取样瓶卡环 internal circlip for cylinder ...
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小心地把两个取样瓶以溪水完全装满。以溶氧量计测量水中的溶解氧量。
Carefully fill two sampling bottles completely with stream water. Use the dissolved oxygen meter to measure dissolved oxygen in the water.
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