1.
RESEARCH AND CALCULATION OF THE FIXED SHORT CORE DRAWING FORCE
固定短芯头拔制时拔制力的计算研究
2.
Countersunk head drive rivets
GB/T15855.2-1995沉头击芯铆钉
3.
Flat round head drive rivets
GB/T15855.1-1995扁圆头击芯铆钉
4.
120 deg flush head break mandrel blind rivets
GB/T12617-1990开口型沉头抽芯铆钉
5.
Mushroom head break mandrel blind rivets
GB/T12618-1990开口型扁圆头抽芯铆钉
6.
hollow cut velveteen
凸条灯芯绒（各行绒头有高低）
7.
Making and application of soaking container for inward transfixion pin
内芯穿刺针头浸泡罐的制作与应用
8.
Ferrite cores for AC erasing heads
GB/T11435-1989铁氧体交流消音头磁芯
9.
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。
10.
Key words: hose-connect、 injection mould、 take off whorl、 side core.
关键词：软管接头、射模、螺纹、向抽芯.
11.
The down of the eider duck, used as stuffing for quilts and pillows.
羽绒绒鸭毛，用作被子和枕头的芯子
12.
120 deg flush head break mandrel closed end blind rivets
GB/T12616-1990封闭型沉头抽芯铆钉
13.
Mushroom head break mandrel closed end blind rivets
GB/T12615-1990封闭型扁圆头抽芯铆钉
14.
Computer Aided Design of Blown Film Die with Spiral Spreader
螺旋芯棒薄膜机头的计算机辅助设计
15.
Simulation and Analysis of Flow Field in Spiral Mandrel Blown-Film Die;
螺旋芯棒式吹膜机头流场的模拟分析
16.
Improvement of Steel Wire Rope Core Belt Lacing Lap Joint Craftwork
钢丝绳芯输送带接头搭接工艺的改进
17.
Design on Time Monitoring and Measuring System of Steel Cable Belt Connector
钢绳芯输送带接头实时监测系统设计
18.
Study on drill bit for large diameter core drilling of deep hole in hard rock
硬岩深孔大口径取芯钻进的钻头研究