中杆

Commonly used as stem materials in pressure-rated ales, silicon bronze has greater resistance to stress corrosion cracking than common brasses.

通常在压力等级阀门中作为阀杆材料使用。在防止金属超压力引起的腐蚀造成的断裂方面，硅青铜比常见的黄铜具有更好的性能。

We break down some of the key differences among the three races in Starcraft II and offer a few examples of how less-hardcore players can brush up their skills.

在 Starcraft II 中，我们打破三个种族一些关键的差异。这里提供了一些铁杆玩家重新提高他们的技术的例子。

The machine is completely mounted with tractor, during operation, the discs by its rotating to turn the soil, particularly, it is suitable for operation on the field with grasses, straw and stems of crops or plants, big soil resistance and with many stones and brickbat, etc.

圆盘犁是与拖拉机三点悬挂连接配套，作业时犁片旋转运动，对土壤进行耕翻作业，特别适用于杂草丛生，茎杆直立，土壤比阻较大，土壤中有砖石碎块等复杂农田的耕翻作业。

As the new energy-saving and environment-friendly materials stainless steel compound pipe has been listed in the specially recommended products of China the Social Survey Institute of State Department in 2002. The products are widely used in public works such as steel structure works road and bridge guardrails lamp poles road signs billboards industrial pipe vehicles and ship luggage rack and rails vehicle pipe and spare parts structure decorative grid steel furniture medical equipment fitness equipment and other fields.

作为节能和绿色环保新材料，不锈钢复合管于2002年被列入国务院中国社会调查研究所特别推荐产品，产品广泛应用于市政工程中的钢结构工程、道桥护栏、灯杆、路标、广告牌架，工业结构用管、车船行李架及扶手，车辆用管及零配件、结构装饰性网架、钢制家居、医疗器械、健身器材等领域。

To assemble, use a little lubricant on the stem of the burette (5003-25) and the level bottle (5047) and immerse the connection tubing (5052) and the rubber coupling (5046) in hot water to facilitate insertion of the tubing.

装配， 用少许润滑剂在滴管杆(5003-25)，水平瓶子(5047)，浸入连接管(5052)，橡胶连接(5046)在热水中浸泡使之容易连接。

In some makes of engine the helically splined coupling is not used and the angular displacement of the shafts is effected by centrifugally actuated devices of the swinging link or inclined plane type.

在一些发动机的制造中，并不使用螺旋式花键套管，通过摇杆或斜面型的偏心操纵装置，曲轴相位角起到同样作用。

So relation between the theoretical deformation of the tubes and the detecting deformation is set up based on homogeneous coordinate transformation and vector chain method.

实验中发现在测量封闭链中测杆与弹簧管之间的接触变形是影响重复测量精度的一个关键因素。

The planar vibration of a thin elastic rod with circular cross section in viscous medium is discussed.

讨论圆截面弹性细杆在黏性介质中的平面振动。

Take a 4-40 rod with a clevis on one end and push it through the hole you drilled in the middle of the rudder bracket.

采取4-40杆与叉一端，推动通过你钻洞中舵支架。

For oil drilling, oil and gas wells in the circulation rotary drilling mud to increase agent, cooling the bit, cutting away material from the debris, lubricating the drill pipe, closed hole wall, oil and gas pressure control to prevent the oil from the spray.

用于石油钻探，油气井旋转钻探中的环流泥浆加重剂，冷却钻头，带走切削下来的碎屑物，润滑钻杆，封闭孔壁，控制油气压力，防止油井自喷。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。