bell box造句

• These do not consume standby power, but require the user to change the batteries, which are usually large primary cells located in the bell box.
• Large wall telephones in the early 20th century usually incorporated the bell, and separate bell boxes for desk phones dwindled away in the middle of the century.
• We listened to a bridal march while watching a tiny hammer strike bells in a rare Regina " bell box . " We saw the " Emerald Polython, " one of only 12 such boxes in the world, Konvalinka said.
• In phones connected to magneto exchanges, the bell, induction coil, battery, and magneto were in a separate bell box called a " ringer box . " In phones connected to common battery exchanges, the ringer box was installed under a desk, or other out of the way place, since it did not need a battery or magneto.