短语词组短语blow -out coil 灭弧线圈;熄弧线圈;消弧线圈;熄弧线圈消灭花线圈spark blow -out coil 吹弧线圈magnetic blow -out coil 磁性灭弧线圈magnetic blow out core coil 磁心线圈coil blow -out 熄弧线圈 返回 blow out coil