警告：腐蚀性溶液可以用于此液体。
Warning: Caustic Solution is used in the operation of this instrument.
在纯溶液中，固体似乎已经消逝在清澈的液体中。
In the true solution, the solid seems to have disappeared in the clear liquid.
比重计：量度液体或溶液的比重的仪器。
A hydrometer used to determine the specific gravity of acid solutions.
比重计：量度液体或溶液的比重的仪器。
A hydrometer used to determine the specific gravity of acid solutions.
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