rotating head

Most field sprinklers use a rotating sprinkler head of the general type.

大部分田间喷灌采用通用的旋转式喷头.

The clamping copper pipe structure also comprises a clamp holder ( 4) used for clamping the copper pipe ( 2), wherein the clamp holder ( 4) is arranged under the rotating head ( 1).

一个夹持铜管（2）的夹持器（4）；所述的夹持器（4）安置在旋转头（1）下；

The internal wire must be arrayed reasonable and can not be damaged when rotating the head.

灯头与机身的布线应合理,旋转灯头时,不可有刮线和磨损电线情况.

Two or more cutters, rotating freely on ball-bearings, are set in the head of the bit.

可在钻头上安装两个或更多的支在滚珠轴承上自由旋转的切削刀具.

This paper presents the major parameters of hydraulic turbines one by one, such as rated head, specific rotating speed and specific speed coefficients, unit flow, unit speed, cavitation coefficient, efficiency, stability etc.

对构皮滩水电站水轮机的额定水头、比转速及比速系数、单位流量、单位转速、空化系数、效率、稳定性等逐一进行论述，介绍了基本参数和参数水平。

The utility model relates to a multifunctional mattress bed, belonging to the bed which can be changed into a sofa by rotating a bed head, and comprising a bed frame, a mattress and the bed head.

本实用新型为一种多功能席梦思床，属于经旋转床头即可转变为沙发的床。

The tilting, rotating, flip-out screen lets you shoot over your head knee level or even self-portraits.

全角度的旋转屏,让你站着拍,坐着拍,蹲着拍, 跪着拍,仰着拍,玩儿自拍,想怎么拍就怎么拍.

Rotating head clip with adjustable metal steel makes your headset to the most satisfactory results.

可以上、下、左、右调整的耳盘，使你的耳机更贴合你的耳朵，舒适感达到最理想状态。