防绕击避雷针
Lightning conductor
lightning rod for shielding failure
防绕击侧针
Lightning Rod for Lightning Shielding Failure
side rod for shield failure
W型缠绕垫片
W type spiral wound gasket
变压器线圈缠绕用纸
transformer coil winding paper
玻璃纤维缠绕机
Glass fiber winding machine
玻纤缠绕复合管
glass fiber winding composite pipe
测地环形缠绕
non-axisymmetric filament winding