depth gauge

The Depth of a Rectangular Through Slot on the Surface of a Cuboid steel Componet and the Magnetic Leakage Field Caused by the Slot;

方钢表面矩形贯通沟槽的深度与该沟槽引起的漏磁场

On Accurately Acquiring Time-depth Relationship Using VSP Data;

准确求取VSP时间-深度关系的探讨