单词	fragipan
释义	fragipan 英'frædʒɪpən美'frædʒɪpən=brittlepan脆盘
随便看	normally-closed circuit normally closed contact normally-closed contact normally closed contactor normally closed contacts normally closed control element normally-closed control element normally closed dry-brake normally closed gate normally closedhydraulic normally closed interlock normally closed microvalves normally closedpneumatic normally closed push button switch normally closed relay normally closed solenoid valve normally closed switch normally closed track circuit normally closed valve normally-closed valve normally close d valve normally close valve normally consolidated clay normally consolidated soil normally-consolidated soil