valve seat insert मीनिंग इन हिंदी

उदाहरण वाक्य

1. The originally cast iron cylinder block and head soon were replaced with a light alloy cylinder head with special airways to improve cooling and austenitic iron valve seat inserts.
2. Although a better heat conductor, an aluminium cylinder head requires steel valve seat inserts, where a cast iron cylinder head would often have employed integral valve seats in the past.