平头按钮开关 开孔尺寸：22MM/一常开一常闭 机械寿命长久 铜基复合触点 SUPPORT BETWEEN CHINESE AND ENGLISH,CHINESE AND JAPANESE TRANSLATION TEXT.W EB PAGE,SIMPLY TYPE DO YOU WANT TO TRANSLATE THE TEXT OR WEB PAGE A DORESS,YOU CAN EASILYGET TRANSLATION RESULTS. LAY7(PBCY090)LAY37 AC-15 1EC337 1h:10A U:660V SWITCH PUSH BUTTON A099n 2