• The necked-down section of the nozzle ...
• Failure of these specimens occurred at a necked ( or narrowed ) section.
• The necked-down section of the nozzle ...
• Failure of these specimens occurred at a necked ( or narrowed ) section.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012