acorn tube

ریشه

Named for its small, acorn-like size.

مثال

• The acorn tube was a crucial component in early radar systems.
• He found an old acorn tube while cleaning out the garage.
• The acorn tube is a piece of technological history.

ترکیب‌های رایج

Old acorn tube Acorn tube component Acorn tube technology Acorn tube history