In order to clean the bottom floor of engine room, the hot and coldfreshwater pipes and cocks to be installed from engine control room to bottom floor.
为清洁机舱底部，从机控室到底部地板应装热水和冷水管和旋塞。
2
A slight increase in the Sun's output was matched by the disruption of deep ocean currents caused by coldfreshwater sinking from the melting floes above.
阳光略有增加，这是由于那些从融化的浮冰上面吸取能量的冷水引发的深海洋流断层而导致的。
3
The mercury content of esculent freshwater fishes produced from Shanghai was determined by means of the cold atomic absorption luminosity.