您要查找的是不是：
- The contact between drillstring and bore hole wall in the process of horizontal drilling is of large area and geometrically nonlinear. 长中半径水平井钻柱与井壁的接触问题是大面积接触的几何非线性问题。
- Dry and solidify the wet film , liquid light sensitive resistance welding, dry the net board and hole wall, etc. 湿膜、液态感光阻焊的干燥和固化；也可用于网版的干燥；板材和孔壁的干燥等等。
- "Is PTH and small via hole wall quality checked by cross-section and followed by a closed loop corrective action? 是否通过切片检验PTH与小导通孔孔壁状况，并有相应的改善对策跟踪？"
- The calculation and analysis of the damage failure of the plunger hole wall for the aeroplunger pump ZB-16D are presented. 对航空柱塞式液压泵ZB-16D的柱塞腔壁贯穿故障进行了结构和受力分析及计算。
- A note about the principle of pigeon hole 关于鸽笼原理的一个注记
- Not only is this boring to the player, but it pigeon holes the Druid to spamming Lifebloom on the tanks. 这不仅对玩家造成困扰，而且还不得不留位置给德鲁伊来不断地给Tank们上生命绽放。
- As a typical example, the contact-impact problem between the drillstring and the bore hole wall in oil field has been calculated and analysed. 文中针对石油工程中钻柱这类典型的细长杆与圆形井壁的接触碰撞问题进行了求解。
- Three spiraled ribs designed to minimize downhole torque, reduce damage to the hole wall and ensure maximum fluid circulation. 产品说明 ： 稳定器的三个螺旋叶片能有效地降低井下扭矩，减轻对井壁的损害并确定最大量的泥浆循环。
- Polymer anti-caving drilling fluid was used to deal with hole wall instability in constriction of directional geothermal well in Tianjin. 针对天津市地热定向井施工中存在的孔壁不稳的问题,经过摸索,采用聚合物防塌钻井液进行护壁堵漏,取得了良好的效果。
- Good writers are not only the privileged few who read nothing but Tolstoy and sit on specially designed chairs in front of rolltop desks with pigeon holes and inkwells. 优秀的作家并不仅仅只是那些坐在拥有羽毛笔孔以及墨水池的拉盖书桌前的特制椅子上;除了阅读托尔斯泰的作品以外对任何事情都不感兴趣的那些享有特权的少数人.
- The results show that the contact -impact problem between the slender rod and the wall of a round hole, such as the drillstring and the bore hole wall, can be solved better. 结果表明,动力间隙元能较好地解决细长杆(如钻柱)与圆孔孔壁(如井壁)的接触碰撞问题。
- The low pressure-sealing plug is installed by pressing the plug into a tapered hole. The surface hardened, but flexible plug achieves anchorage by gripping with the hole wall. 该系列为低压力密封堵头。安装时由工具压入锥形孔，软性堵头被压入孔壁表面。该系列有以下特点：
- The influence of stocking upon ground surrounding the borehole on the stability of hole wall and the influence of nearby foundation drilling on the building are also analyzed. 同时，文中分析了孔周地面堆载对孔壁稳定性的影响和临近基础钻孔对建筑物的影响。
- A pigeon perched on our porch railing. 一只鸽子栖息在我们门廊的栏杆上。
- By analyzing the random contact and impact between drilling string and bore hole wall at arbitrary depth and circle direction in slim hole well, a dynamic model of whole drilling string is presented. 考虑小井眼细长钻柱沿井深和井眼圆周方向的随机接触碰撞，建立了钻柱瞬态动力学模型。
- The math exam was a clay pigeon. 数学考试非常容易。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- All the can shoot is a clay pigeon. 他所能射击的不过是一个容易的非移动靶。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
