查询词典 contact rail

Similarly,the gas-oil contact or gas-water contact,as the case may be,is the lower limit of producible gas.

同样，油气界面或水气界面是可产天然气所能达到的最低深度。

E., when the bourrelet keeps in contact with, or not in contact with, or impacts with the bore. The patterns of motion of a projectile traveling in an ideal tncreasing twist rifled bore are studied and compared with that of a projectile traveling...

求解了非对称弹丸在渐速膛线理想身管内的运动规律，并将该运动与等齐膛线身管内的弹丸运动进行了对比，由此得出若干结论。

There has been an urgent requirement for high performance fixed-point above the copper freezing point(1084.62℃),in contact thermometry, non-contact thermometry and radiometry for a long term.

摘 要：长期以来，在接触测温学、非接触测温学和辐射度学领域对铜凝固点（1084.62℃）以上高性能温度固定点有着迫切的需求。

The real borehole axis is not an ideal straight line, but a helical line with arbitrary curvature, so the contact problem between the down-hole string and the borehole face is a kind of arbitrary contact nonlinear mechanics problem, which can not be solved by the common methods from material mechanics and structural mechanics.

实际的井眼轴线不是理想的直线，而是一条任意曲率的空间螺旋线，因此井下管柱和井壁的接触问题是一种随机接触的非线性力学问题，用一般的材料力学和结构力学方法是不能解决这类问题的。

Once contact is made, have the contact person relay messages to your other friends and relatives outside the disaster area.

一旦建立了联系，要请联系人把您的信息转告给在灾区之外的其他亲戚朋友。

If the switched current is too high, the resulting temperature increase and contact arcing will degrade the relay and shorten the contact life.

如果切换电流太高，造成的温度升高和接触电弧将会劣化继电器并缩短接触寿命。

Contact form, or simply form, is another term that relay manufaccturersoften use to describe a relay's contact configuration.

接触型式，或简称为型式，是继电器厂家常用来说明继电器配置的另一个术语。

Through the above regularities, we can predicate the contact reliability of relay according to the value of contact resistance varying with pulse current.

进而在继电器可靠性研究与分析中，我们根据这一规律可以来预测触点接触可靠性。

Relay contact point inspection: ensure contact point is good, jitter-free, no stick and spark abnormal phenomenon, and sufficient pressure.

继电器的接点检查：应保证接点接触良好，无抖动，粘住或出现火花等异常现象，并有足够的压力。

Increasingly, rhodium and ruthenium are being plated over more traditional contact materials to increase the contact life.

逐渐地，铑和钌被镀在传统的接触材料上来延长触点寿命。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。