при работе
• In the case of pumps on salvage duty ...
• If (or When) operating at the maximum absorption ...
• When operated at 20 Hz ...
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• In the case of pumps on salvage duty ...
• If (or When) operating at the maximum absorption ...
• When operated at 20 Hz ...