您要查找的是不是：
- black square head bolt 粗制方头螺栓
- Side view of square head bolt with adjustable thread length. 螺纹长度可调整的方头螺栓侧面图。
- Square head bolts with collar, half dog point and 方头带垫半圆底端螺栓
- Square head bolts with half dog point 方头圆柱底端螺栓
- The result is a small, filled, black square. 结果得到一个黑色的实心小正方形。
- square head bolt 方头螺栓
- Click Line Color, and then click the black square. 单击“线条颜色”按钮,然后单击黑色正方形。
- flattened square head bolt 平顶方头螺栓
- Side view of hexagonal head bolt with adjustable thread length. 螺纹长度可调整的六角头螺栓的侧面图。
- Grip the sleeve and the piston assembly by the head of the hex head bolt. 用六角头螺栓的头部夹住套筒和活塞总成。
- Slowly,silently,a black square creeps up the pole and flutters chill against the morning sky. 一面黑色的方旗缓缓无声地爬上了旗杆，在早晨的天空中冷飕飕地颤抖。
- Drag the fill handle (fill handle: The small black square in the lower-right corner of the selection. 将填充柄(填充柄:位于选定区域右下角的小黑方块。
- Slowly, silently, a black square creeps up the pole and flutters chill against the morning sky. 一面黑色的方旗缓缓无声地爬上了旗杆，在早晨的天空中冷飕飕地颤抖。
- Square head bolts with collar 方头带垫螺栓
- Select the cell and use the fill handle (fill handle: The small black square in the lower-right corner of the selection. 选择单元格并用填充柄(填充柄:位于选定区域右下角的小黑方块。
- The deconvolution between cylinder pressure signal and head bolt vibration signal was analyzed. 摘要研究了发动机气缸压力信号与表面振动响应信号之间的反卷积关系；
- A tool, such as a stonemason's chisel, that has a squared head. 凿子有一方头的工具，如石匠用的凿子
- All field splices were bolted using ASTM A325 hex head bolts. 所有现场拼接都用美国材料试验协会的A325六角形头螺栓。
- Kit includes: Body, Disc, Piston Diaphragm Assembly, Hex Head Bolt, Disc Retainer, Sleeve, Bottom Bolt, Shutoff Plate, and Bottom Flange. 组件包括：阀体，阀瓣，活塞隔膜总成，六角头螺栓，阀瓣固定器，套筒，底部螺栓，关闭板，和底部法兰。
- FIXED RAILWAY INSTALLATIONS. EQUIPMENT FOR OVERHEAD TELECOMMUNICATION AND SIGNALLING LINES. GALVANIZED SQUARE HEAD WOOD SCREWS. 铁路固定设备。通讯和信号装置架空线路用器材。直径口毫米镀锌方头木螺钉。
