液压

However, professional hydraulic expander is difficult to meet the time set aside less maintenance environment.

然而专业的液压扩张器很难满足长时间搁置少保养的环境。

In large dip angle mining face,the antis-kid and anti-collapse question on hydraulic support is a key to mining successfully.

在大倾角工作面中，液压支架的防倒防滑问题是工作面能否顺利实现开采的关键。

Since the WV Packing is a multiple lip hydraulic seal, it is recommended over a single lip seal for applications where side loading is a factor.

由于西弗吉尼亚州是一个多包装液压密封唇，建议在一个单一的应用唇密封在侧负荷是一个因素。

After a brief introduction on the present situation of hydro-shaping technique at home and abroad and the technological peculiarity of fascia board girder ,the simulative experiment was designed and the finite element models of direct shaping and stepped shaping were established.

在简要介绍液压成形技术在国内外的现状及仪表板梁的工艺特点之后，设计了仿真试验并建立了直接成形和分步成形的有限元模型。

In traditional teaching, the teacher use the wall map, the filmstrip to explain in detail primarily, or in the simple and remove-install test in hydraulic transmission laboratory , result in the student lacks the necessary sensitive faculty knows, making teaching effect's anti very ideal.

在传统教学中，教师主要通过挂图、幻灯来讲解，或者在液压传动实验室进好的简单的拆装试验，造成学生缺乏必要的感性认识，使教学效果no很理想。

In traditional teaching, the teacher use the wall map, the filmstrip to explain in detail primarily, or in the simple and remove-install test in hydraulic transmission laboratory , result in the student lacks the necessary sensitive faculty knows, making teaching effect\'s anti very ideal.

在传统教学中，打压泵，教师主要通过挂图、幻灯来讲解，或者在液压传动实验室进行简单的拆装试验，造成学生缺乏必要的感性认识，使教学效果不很理想。

Certain protection requirements (filterability, demulsibility and corrosion) are independent of load condition s.

所以，低负荷并不意味着可以降低对液压油的要求。

Shell Tellus oil formulation s have been developed to achieve optimum performance in the areas of thermal and oxidative stability, anti-wear performance, filterability, water separation, air release and foaming characteristics.

在液压油的所有六大关键性能(热/氧化稳定性、抗磨保护性能、过滤性、分水性、空气释放性和抗泡性)上都获得了最佳结果。

Shell Tellus oil formulations have been developed to achieve optimum performance in the areas of thermal and oxidative stability, anti-wear performance, filterability, water separation, air release and foaming characteristics.

在液压油的所有六大关键性能（热/氧化稳定性、抗磨保护性能、过滤性、分水性、空气释放性和抗泡性）上都获得了最佳结果。

Shell Tellus oil formulations have been developed to achieve optimum performance in the areas of thermal and oxidative stability, anti-wear performance, filterability, water separation, air release and foaming characteristic s.

在液压油的所有六大关键性能(热/氧化稳定性、抗磨保护性能、过滤性、分水性、空气释放性和抗泡性)上都获得了最佳结果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。