fine positioner

Игры ⚽ Поможем решить контрольную работу

Fossil-fuel power station — A working coal plant in Rochester, Minnesota The St. Clair Power Plant, a large coal fired ge … Wikipedia
Ball valve — A ball valve (like the butterfly valve and plug valve are one of the family of valves called quarter turn valves ) is a valve that opens by turning a handle attached to a ball inside the valve. The ball has a hole, or port, through the middle so… … Wikipedia

Словари и энциклопедии на Академике