rod position detector coil 棒位置指示器线圈

spark coil leak detector 电火花线圈检漏仪 ; 火花线圈探漏器

coil diameter detector 带卷直径检测器

cross-coil defect detector 交叉线圈探伤仪

coil detector 线圈式检波器 ; 线圈检测

loop-coil detector 线圈检测器

coil defect detector 交叉线圈探伤仪

ark coil leak detector 火花线圈探漏器 ; 电火花线圈检漏仪

ring coil detector 环形线圈检测器

cro -coil defect detector 交叉线圈探伤仪