In order to adapt punctual production,decrease the time of changing dies and generalize die design,a general long-hole die design is intro-duced through the analysis of long-hole technologies of all specifications’die parts.
为了适应准时化生产、减少模具更换时间,同时使模具设计通用化,通过对冲压件各种规格的长孔工艺进行分析,介绍一种通用长孔冲模设计。
Technique and die design for hole punching on circular duct;
圆管冲孔工艺与模具设计
Seismic performance testing study on high strength bolt connections with slotted holes
长圆孔变型性高强螺栓节点抗震性能试验研究
Slots with round end and slots with square end plate screens
GB/T12620-1990长圆孔和长方孔筛板
Seismic performance testing study on high strength bolt connections with slotted holes
长圆孔变型性高强螺栓节点抗震性能试验研究
Study on the Measurement of Roundness and Straightness for the Inner Hole of the Large Diameter Long Pipes;
大口径长管内孔的直线度、圆度测量研究
"flageolet:a small flutelike instrument with a cylindrical mouthpiece, four finger holes, and two thumbholes."
六孔竖笛:一种有圆柱形吹口、四个指孔和两个拇指孔的小的长笛状乐器.
A small flutelike instrument with a cylindrical mouthpiece, four finger holes, and two thumbholes.
六孔竖笛一种有圆柱形吹口、四个指孔和两个拇指孔的小的长笛状乐器
British breed having a long silky coat and rounded head with a short upturned muzzle.
英国品种的小獚，有丝状的长毛、圆头并且鼻孔朝上。
The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole.
其研究重心是定量计算椭圆孔对电流密度以及板内应力分布在椭圆长轴端点处的集中效应。
As the scholar's wife was amiably helping the young woman to the door, there came out from the house a tall and thin elderly man with a smooth, round face.
她很亲呢似地将她牵上阶沿，一个长长的瘦瘦的而面孔圆细的男子就从房里走了来。
small hole electrical discharge internal grinding machine
电火花小孔内圆磨床
EFEAL Extended Field Elliptical Aperture Lens
可扩展扫描椭圆孔镜头
configuration of holes
[圆网]孔的结构形态
continuous drying machine with a perforated drum
连续多孔圆筒烘燥机
Round nuts with drilled holes in one face
GB/T815-1988端面带孔圆螺母
Round nuts with set pin holes in side
GB/T816-1988侧面带孔圆螺母
automatic eye sewing machine
自动锁圆头钮孔缝纫机
roller crescent tool
圆盘月形孔抛光工具
He is large and awkward, with a great round face.
他大而笨拙，脸孔圆大。
circular openings not requiring reinforcement
不要求补强的圆形开孔