maintained contact pushbuttonpush-on/push-off button带: belt; girdle; ribbon; band; ...挂钩: couple; articulate; link up ...按钮: push-button; press-button; b ...水带挂钩: hose strap; roger's rope hose tool; rope hose tool水带挂钩绳: snotter becket下载手机词典可随时随地查词查翻译