bell button

常見例句

雙語例句

• Each indoor fire alarm push-buttons shall be equipped with a break-glass push-button and an alarm bell.
  每個室內火警按鈕都應有一個？？按鈕和一個警鈴。
  bbs.chinadaily.com.cn
• With a set of buttons and a loud bell, the device, sold by National Cash Register (NCR), was little more than a simple adding machine.
  全國現(xiàn)金出納機公司賣給他的這套裝置有一組按鈕和一個很響的鈴鐺，也就一個加法機那麼簡單。
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