Русско-английский научно-технический словарь
падать
см. тж. сокращаться; уменьшаться
• The albumin sinks to a lower level.
• If the suction pressure declines (or decreases, or drops, or diminishes) to 0.4 in. of water, ...
• At greater heights atmospheric pressure progressively falls off.
• If the temperature sinks below the critical point, ...