
DRILLS AND REAMERS - PART 6: COUNTERSINKS, 90 DEGREES, WITH PARALLEL SHANKS AND SOLID PILOTS
出版:British Standards Institution

专家解读视频
DRILLS AND REAMERS - PART 6: COUNTERSINKS, 90 DEGREES, WITH PARALLEL SHANKS AND SOLID PILOTS
出版:British Standards Institution
专家解读视频