Перепишите предложения. подчеркните в каждом из них модальный глагол или его эквивалент. предложения переведите. 1. if a superheater is used to heat the web, it is to be cooled to the condensation temperature. 2. today any kind of fiber can be utilized to make paper. 3. the water squeezed from the paper should be absorbed by the felt which therefore has to be porous.

matisina48    1   13.06.2019 20:08    6