Русско-английский научно-технический словарь
когда
см. тж. в случае, когда
• The fuel material is cooled as (or while, or when) it passes down through the steam generator.
• Once these operating requirements have been established, the engineer should consult a porcelain enameller.
• Where really large moulds are to be produced, a vertical band saw can be used advantageously.