牵引装置

After a seven day latency period a distractor device is activated 1 mm per day until the desired expansion is obtained.

经过七天的潜伏期1牵引装置被激活1毫米每天直到获得所需的扩大。

Rigid PVC pipe production line is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the aspects such as the agricultural and nonstructural plumbing, cable laying etc. Thin set is composed of the conical twin-screw extruder, vacuum forming table , dragger, cutter, stirring up rack etc. The screws extruder and the extractor adopt the imported AC frequency employ the superior goods. The prime mover has the traction modes such as to claw, three-claw and so on. It may choose the saw blade cutting type or the planet cutting type. It is additionally attached with measuring apparatus and the intensifying device. The unit is of the reliable performance and high production efficiency. This company may allocate the special installation for the manufacture of the inner wall spiral coil and core ply blister tube set according to the clients requirements.

硬质PVC 塑胶管材出产线主要有阿谁与出产农用给排水、建筑给排水、线缆铺设等方面的各类管径、壁厚的塑胶PVC管材，该机组由锥形双螺杆挤出机、真空定形台、牵引机、翻料架等构成螺杆挤出机及牵引机采用进***流变频调速设置，真空泵以及牵引机电均采用优质产品牵引有二爪、三爪、四爪、六爪等牵引体式格局可选用锯片或者行星切割形式，另可计长及增厚装置，机组机能可靠，出产效益高，本公司可更具客户的要求，配备布置专用装置出产螺旋消音管以及芯层发泡管机组

The drawgear of the tractor-trailer combinations has been designed by means of flexible drawing technique.

在此基础上，对挂接车辆的柔性牵引装置进行了总体结构设计，并对其中的弹簧～阻尼器单元进行了技术设计。

Distance between towing device and front end of towing vehicle

牵引装置至车辆前端的距离？

If you do not have this length then you may want to consider a penis extender or a penis traction device.

如果您没有这个长度，然后您可能需要考虑的阴茎Extender或阴茎牵引装置。

By analyzing the mechanics relation between the sprocket wheel and the pallets of the pallet draught device in a sintering machine,the non- arching mechanics model of the pallets was established and the force control method for the non- arching sintering machine was put forward.

通过分析带式烧结机台车执行牵引装置的星轮和台车的力学关系，建立了台车无叠肩起拱的力学模型，提出了无叠肩起拱带式烧结机的力控制方法。

METHODS: Titanium nails (1.5 mm in diameter) were separately inserted on two sides of left premaxillary suture in rabbits. A self-made distraction device was used. Gelatum-like substance [V(subscript platelet-rich plasma):V=9:1] was injected into the left premaxillary suture of experimental group rabbits immediately prior to distraction.

分别在家兔左侧前颌缝的两侧置入钛钉（直径1.5mm），戴自制前牵引装置，试验组在牵张开始时，注射V∶V=9：1混合的凝胶样物质至左侧前颌缝内。

It is a kind of double-twist star quadding machine with motorized taking-up, tension control system, twist pitch maker(pre-spiraller), enclosed bow type carriage, separator, yarn binder, capstan wheel, bar traverser and semi-automatic reel loader-unloader, etc.

生产线技术特点：焊接电流自动跟踪牵引速度特殊设计的成型工具，确保焊接的稳定进行特殊设计的电气工艺控制板，确保焊接平稳能实现设备的停车再启动的功能，满足生产线间断操作废带收卷速度自动跟踪牵引速度配置清晰高倍显示焊缝溶池的监视系统高速星绞设备概述：本机主要用于长途通信电缆的四线组绞合，是一种双节距星绞机，由主动收线、张力控制装置、扭矩发生器、封闭弓式绞笼、分离器、扎纱装置、牵引轮、光杆排线及半自动线盘装卸装置等组成。

To study the effect of extroral appliance in treatment of anterior crossbite and crowded dentition.

目的 探讨口外弓及前方牵引装置对混合牙列期或恒牙列早期前牙反并牙列拥挤病例治疗的有效性。

This simulation impact test bed of vehicle is composed of base mounting, guide rail, sheave block, draw gear, recovery device and impact block.

汽车模拟碰撞试验台由基架、导轨、滑车、牵引装置、回收装置及碰撞壁组成。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。