... shielded carbon arc welding ==> 碳弧保护焊 shielded cathode ==> 屏蔽阴极 shielded coil ==> 屏蔽线圈 ...
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该磁控管具有加热时间短的阴极，屏蔽阴极，液体和空气冷却，内建无线电滤波。
Magnetron has filamentary cathode with small time hearting the shielded cathodic site liquid and air cooling and also the filter built-in by radio.
在回填土壤的应力作用下，管道在3∶00 ~ 9∶00时钟位置的石油沥青防腐层容易出现剥离并屏蔽阴极保护，导致管体腐蚀。
Due to the stress of backfilled soil, the asphalt coating at 3:00-9:00 (clock position) is easily disbonding and the CP is shielded, which results in the pipe body corrosion.
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