英语词汇“arch apex”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	arch apex
释义	arch apex 基本例句拱顶石 A wooden frame built especially to support the sides of an arch until the keystoneis positioned.支拱板条专门用来在拱顶石放置好以前支撑拱的两边木架子。
随便看	safety actuation system safety adapter safety adjustment safety administration safety administration and inspection safety administration and management safety administration being under construction safety against cracking safety against derailment safety against fracture safety against overturning safety against rupture safety against wind safety aid facility safety aids safety aim safety air safety airbag safety airbag mounting point safety air tube safety alarm safety alarm annunciating system safety alarm system safety alert safety alert symbol