The utility model relates to a low-frequency sending coil consisting of a plastic noumenon with slab structure and a conducting material wound around the plastic noumenon.
本实用新型涉及一种低频发送线圈，包括塑料本体和缠绕塑料本体的导电材料，所述塑料本体为平板结构。
2
The slab surface cracks will degenerate the quality of hot-rolled coil, even worse affect the production schedule badly and disrupt production Rhythm.