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The 9A-91 rifle is a gas operated, rotating bolt weapon, which utilizes a long stroke gas piston, located above the barrel, and a rotating bolt with 4 lugs.

在第9A - 91步枪是一种气体操作，旋转螺栓的武器，它采用了长冲程气体活塞位于枪管上方，并与四耳旋转螺栓。

Coal mining machinery; shearer with pick; boring machine used pick; teeth Block; mine accessories; scraper; link ring; tooth boots; processing and sales of machinery and electronic products; platen; E-type bolt; U-type bolt; mechanical parts processing

周口鑫源煤矿机械有限公司，位于项城市东方大道中段。南临漯阜铁路，紧靠106国道，可直达上海、京深，交通便利，环境幽雅。

It has bolt action with rotating handle, but non-rotating bolt.

它螺栓旋转手柄的行动，但不旋转螺栓。

It shows that the action of bolt together with rock must be taken into consideration in order to correctly make computation of rock-bolt supporting parameters.

结果表明，合理的地下层状岩石锚杆支护参数设计应在考虑锚杆与围岩的共同作用条件下计算。

Compared disturbed values of the thick tail metal bolt and common bolt under the load action.

比较了金属粗尾锚杆和普通锚杆在不同载荷作用下的挠度值。

Both are bolt action, rotating bolt rifles, with dual lugs bolts and integral, non-detachable magazines.

行动都是螺栓，旋转螺栓步枪，双耳螺栓和完整，不可拆卸的杂志。

Both model 700 and model 700M1 utilize same rotating bolt action system with 6 lugs on the rear of the bolt that locks into receiver.

这两个型号700和模型700M1利用6对耳后的螺栓同时旋转螺栓行动系统，锁到接收器。

Sniper Rifles are Single Shot, bolt action weapons so you need to cycle the bolt each time you fire.

狙击步枪都是单发枪机式步枪，所以你每次射击之后需要重

Do not reuse bolt. In case bolt under head length is over 45mm.

不要重复使用螺栓，以防螺栓头颈长度高于45mm

It is pointed out that due to the difference of the temperature expand coefficient of aluminum alloy gear case and steel bolt, when the temperature of the gear case increased,additional temperature-difference load is generated,which is the ultimate reason of the bolt failure.

指出由于铝合金齿轮箱和钢制螺栓的热膨胀系数不同，在齿轮箱温度升高后产生附加的温差载荷，此温差载荷是螺栓失效的根本原因，由此依据相关公式提出了改进措施。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。