等轴的

The purpose of the check valve is to prevent impurities from penetrating the rock drill when pressedair is shut off.

卡环控制钻头的轴向运动，而逆止阀是当停止供应压气时，用来妨止岩碴等杂物进入冲击器。

Major mechanical and electric products: timken bearings usa, akers roller sweden, lakos and itf equipment.emerson power machinery usa (including: rollway bearings, kop-flex coupling, etc).

主要销售的机电产品有美国timken轴承，美国kaydon轴承，瑞典akers轧辊，意大利galperti回转轴承，美国emerson动力机械（包括：rollway轴承，kop-flex联轴器等），德国ina转台轴承和韩国csb轴承。

The model included speed control, load control, valve management, valves test, RUNBACK, overspeed protection, LDA, CIV, ETS, RSM, MEH, gland seal system etc, discussed the strategy of valve management, RSM, control loop smooth switching with emphasis.

模型包括了转速控制、负荷控制、阀门管理、阀门试验、RUNBACK、超速保护、甩负荷预测、中压调门快关-快开、紧急跳闸保护、转子热应力控制、MEH控制和轴封控制等功能，重点讨论了阀门管理策略、负荷控制回路无扰切换策略和转子热应力控制策略，对实际系统尚未投入使用的甩负荷预测和中压调门快关-快开功能也进行了建模仿真。

Fruit a schizocarp, disk-shaped, fruit axis as long as or shorter than carpels; mericarps more than 15, laterally compressed and circular with a prominent ventral notch, glabrous or pubescent, 2-celled, proximal cell 1-seeded, distal cell sterile.

果一分果，盘形，果轴等长于或短于心皮；分果爿多于15，侧面压扁和圆形的有一突出腹槽口，无毛或被短柔毛，2室，下部室具1种子，上部室不育。

During the pipeline running, thanks to the axial force, the line may become sinusoidal or spiral bending.

由于轴向力的存在，管柱还可能发生正弦或螺旋屈曲等。

The environmental laboratory has 1,110 m 2 , in the possession of 20 advanced test equipments that both from China and other countries such as USA , France , Italy , Japan , etc. The speed of decreasing temperature could reach 15 ℃/min, the raising speed of temperature could reach 30 ℃/min and be capable of adjustment continuously. 29 m 3 test box could test temperature, temperature and humidity for large electrician and electronic equipment. The speed of raising temperature could reach 6 ℃/min at best. Vibration test equipment include slipway, it could carry through three axis vibration, and the minimum thrust force is 5 tons.

环境实验室建筑面积 1100 平方米，拥有从美国、法国、意大利、日本等国家引进的国外及国产先进试验测试设备 20 台，降温速度最高可达到 15 ℃/min ，升温速度可达 30 ℃/min且连续可调； 29 立方试验箱能对大型电工电子设备进行温度、温度循环及湿度试验，升温速度最高可达 6 ℃/min ；振动试验设备有滑台，可进行三轴向振动，最大推力可达 5 吨。

Concrete elasticity module and concrete strength under uniaxial tension and compression are gained. Computer strength method was developed.

计算得到混凝土的弹性模量、单轴抗拉和抗压强度等宏观力学参数，发展了混凝土计算强度。

An elongated cylinder on which something, such as a window shade or towel, is wound.

滚轴：一种窗帘或毛巾等可卷绕在其上的细长圆筒状物

It was detected that the surface is made up of mainly 4 elements: C, O, N and Al, with little P and F in abaxial leaf.

结果表明，茶树表面主要由C，O，N和Al等四种元素组成，在茶树叶远轴面还有少量的P和F。

ObjectiveAnkylosing Spondylitis, characterized by chronic inflammation of central axis articulus, is a systemic disease with indefinite causes.

研究目的强直性脊柱炎是一种原因未明、以中轴关节慢性炎症为主的全身性疾病，病变主要在骶髂关节，亦可不同程度地累及眼、心、肾等多个脏器。

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。