螺钉头

The 3D-model of the brake band, countersunk head bolt and Friction Flake is established, and the frictional contact problem of brake band and friction flake was analyzed with the large-scale nonlinear finite element analysis software MSC.

以某超级油轮的锚机带式制动器为研究对象，建立了制动带、沉头螺钉和摩擦片的三维实体模型，并应用大型非线性有限元分析软件MSC。

After anesthesia, the guinea pigs'scalp surface was exposed and two stainless screws (5 mm length and 1.2 mm diameter) were implanted at 6 mm in front of and 10 mm behind bregma, as reference electrode and recording electrode. In the middle, a third stainless screw was implanted as ground electrode. 3 days later, awaked guinea pigs were fixed in multifunctional head-body apparatus. RETI-port system was used to record PVEP of control group and experiment group.

麻醉后，在前囟前6 mm、后10 mm及矢状缝正中处钻孔，均植入长5 mm、直径1.2 mm的不锈钢螺钉作为参考电极、记录电极和地极。3 d后，将清醒状态下的豚鼠固定于自制多功能头身一体化固定台面上，采用RET I-port系统(Roland Consult，德国)分别记录对照组和实验组图形视觉诱发电位的变化。

To install the fixed filler on the corner cabinet, use a ф4.2MM drill to drill a hole on the bottom panel at a place near the fixed filler. Use pneumatic screwdriver to turn at the hole positions to form countersink holes. Use 4*50 self-tapping screws to secure the fixed filler on the bottom panel. Keep

转角柜固定封板的安装，先用ф4.2MM的直钻在柜底板靠近固定封板处打孔，/然后用风批头在打孔处转动几下形成螺钉沉孔，再用4*50的自功钉把封板固定在柜底板上/安装可调脚将柜底保持朝上，然后正面进入50MM画线并装好柜脚座。

Principal products of our company: screw and nut for furniture, gharry screw, T type screw, loose joint bolt, flower basket bolt, expansion bolt, closing ring for bearing and aperture, Shanghai rivet, copper, iron and aluminum rivet, stainless steel standard pieces, flat key, pin key, automatic drilling nail, 12.9 level alloy steel hexagonal socket, tightening screw, countersunk head hexagonal socket screw, 10.9 steel structure bolt, machine bolt, firmware of DIN, ANSI, BS and JIS.

本公司生产和销售家具螺丝螺母、马车螺丝、T型螺丝、活接螺栓、花篮螺栓、膨胀螺栓、轴用孔用挡圈、上海拉铆钉、铜铁铝铆钉、不锈钢标准件、平键销键、台湾合资自攻自钻钉、12.9级合金钢的内六角、紧定螺丝、沉头内六角螺丝、10.9级钢结构螺栓、机螺钉、各种德标、美标、英标、日标紧固件。

Side view of fillister head slotted screw with adjustable thread length.

螺纹长度可调整的槽头螺钉的侧面图。

Top view of fillister head screw.

槽头螺钉的俯视图。

From this starting point on the facet, the probe is angled medially by approximately 25 to 30 degrees

C (图-11)。靠尾侧的进钉点和头向的角度可以确保S1上的螺钉不会和L5的交叉。

From this starting point on the facet, the Pedicle Finder is angled medially by approximately 25 to 30

C (图-11)。靠尾侧的进钉点和头向的角度可以确保S1上的螺钉不会和L5的交叉。

What is the bearing surface of a hex head cap screw?

六角头螺钉的支承面叫什么？

Analyzed the structure characteristics of the perfume cover outer shell plastics piece, described the piece's structure and work principle which model a craft and inject a mold, its principle :adopt and certainly be apart from bolt and spring coil and carry on two cents type, use inclined lead a side outside the pillar and take out heart, type the heart crest spare parts, while entering and anticipating adoption incubate the type sprinkle into anticipate a form, while opening a mold, with the ball head pull and anticipate a pole sprinkle and note system and anticipate, then make use of and take out and push plank and release a plastics piece inside a heart,use spring coil and reset first while matching a mold, then carry on willing model a beginning next time.

摘要分析了香水盖外壳塑件的结构特点，叙述了该塑件成型工艺、注射模的结构和工作原理，其原理是：采用定距螺钉和弹簧进行二次分型，用斜导柱外侧抽芯，型芯顶出零件，进料时采用潜伏式浇口进料形式，当开模的时候，用球头拉料杆把浇注系统凝料顶出，然后利用型芯内抽推板推出塑件，合模时用弹簧先复位，然后进行下一次成型开始。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失