Русско-английский научно-технический словарь
замена
см. тж. для замены в случае необходимости
• Aluminium alloys have been used as alternatives to copper for overhead lines.
• Changing the plasticizer from nitroglycerine to diethylene glycol dinitrate produces better physical properties.
• Machines with provision for very rapid change-over (or changing) from one component to another ...
• Replacement of the OH group in acetic acid ...
• Replacing the vacuum tubes with (or by) transistors offered the benefit of greater reliability.
• Direct substitution of titanium fasteners for all the steel fasteners (замена титановыми крепёжными деталями всех стальных деталей) used in a heavy bomber results in an airframe weight reduction exceeding 1500 pounds.