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磁石电铃 磁石式电铃 磁铁电铃 永磁电铃
magnetobell  detail>>
磁石电铃
magnet bell magneto bell  detail>>
永磁电铃
magneto bell  detail>>
电铃
(electric) bell; trembler; ringer ◇电铃按钮 bell push-button; 电铃变压器 bell ringing transformer; 电铃号码箱...  detail>>
按压式电铃
push bells  detail>>
震颤式电铃
trembling bell  detail>>
导电铃
electro conducting fluid  detail>>
电铃锤
bell clapper  detail>>
电铃动
current rush  detail>>
电铃盖
ringer box  detail>>
电铃盒
ringer box  detail>>
电铃钮
bell button  detail>>
电铃匣
bell box  detail>>
电铃线
bw bell wire  detail>>
电铃值
current peak  detail>>
摁电铃
ring an electric bell  detail>>
无火花冲击式电铃
non-spark impulse type alarm bell  detail>>
悬挂式电铃按钮
pressel  detail>>