1. gas shielded arc welding 
   气体保护电弧焊
2. shielded metal arc welding 
   手工电弧焊
3. He shielded me from hostile criticism. 
   他庇护我使我免受怀敌意的批评。
4. The wide-brimmed straw hat shielded his face. 
   宽边草帽遮住他的脸。
5. used especially of machinery; shielded to prevent injury. 
   特别用来指机器；保护使不受伤害。

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• 1. 屏蔽式电流计
  shielded cable 屏蔽电缆...shielded galvanometer 屏蔽式电流计...shielded oscillator 屏蔽式振荡器
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• 2. 屏蔽式检疗
  shielded electromagnet 屏蔽电磁铁...shielded galvanometer 屏蔽式检疗...shielded wire 屏蔽线
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• 3. 屏蔽式检流计
  shielded from interference 防止干扰...shielded galvanometer 屏蔽式检流计...shielded joint 屏蔽接头
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• 4. 遮蔽式检流计
  遮蔽环境 shielded environment...遮蔽式检流计 shielded galvanometer...遮蔽引线 shielded lead
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