查询词典 thread tool

The Examination of the Sine Bar for the Petroleum Thread Gage;2. The sine bar is a practical precision measuring implement which can measure indirectly or a machining tool for the precision angle by the sine principle.

正弦规是利用正弦函数原理对精密角度进行间接测量或加工的一种常用的精密量具或工具，常用于测量内、外锥体的锥角及外锥体的大小端直径，也用于测量角度块的角度、孔中心线与平面之间的夹角。

These induced in transitional zone piercement of drill pipe and many screw thread failures of tool joint.

塔里木油田山前构造带地质结构复杂，同时强化钻井技术在塔里木油田得到应用，使得钻具在井下的使用环境恶劣，钻具工况复杂，导致塔里木油田钻杆加厚过渡带刺漏和钻具螺纹失效事故较多。

The current production of "Three Parallel Rivers" brand a variety of manual, electric, pneumatic, hydraulic, Pneumatic-hydraulic core pulling rivets gun; ring groove rivet gun; rivet nut gun; all kinds of specification aluminum rivet, stainless steel rivets, ring groove rivet, rivet nuts and thread wire set installation and removal tool.

目前生产&三江&牌各类规格铝铆钉、不锈钢铆钉、环槽铆钉、铆螺母及螺纹丝套安装和拆卸工具；各种手动、电动、气动、液动、气液联动抽芯铆钉枪；环槽铆钉枪；铆螺母枪。门类繁多，规格齐全，生产量大，销售面广。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。