Русско-английский научно-технический словарь
или же
см. тж. в качестве варианта
• A machine can be supplied for welding either circumferential joints only, or, alternatively, a universal machine can be supplied.
• In performing this function ceramic castings can permit the use of less expensive metals, or else raise the temperature limit of ...
• Or, again, if through the H projection a plane is passed which ...