The liquid may comprise a translucent liquid such as water and the dye may comprise an indicator such as a water-based ink containing coloured dyes, dispersed pigments or other colouring media.

液体可以包 括诸如水的透明液体，并且染料可以包括诸如包含着色染料、分散的 色素或其它着色介质的水基墨水的指示剂。

youdao

Widely used for precise control of gases, liquids and other media of process parameters such as pressure, flow, temperature, liquid level maintained at a given value.

广泛应用于精确控制气体、液体等介质的工艺参数如压力、流量、温度、液位保持在给定值。

youdao

Pump body has a hollow sandwich, with import and export of flange, can be used in the thermal oil, steam, hot water and other media for conveying liquid and heat insulation and cooling pump.

泵体设有空心夹层，并设有进出口法兰，可用于导热油、蒸气、热水等媒体对输送的液体和泵进行加热保温及冷却。

youdao