hemispherical head

• 半球形燃烧室

hemispherical head的用法和样例：

例句

1. It featured many advanced features for its time such as a tubular space frame and a hemispherical combustion chamber engine.
   它精选了其时间，如管状的空间框架和半球形燃烧室发动机的许多先进的功能。