bs button switchbuttonswitchface contactpb push buttonpress button keypress button switchpress stopperpush button switchpush contactpush switchpushbutton actuatorpushbutton keypushbutton switch按钮: push-button; press-button; b ...开关: Q-switching按钮开关盒: push-button switch box键按钮开关: key push button switch按钮开关;按钮掣: push-button switch下载手机词典可随时随地查词查翻译