English translation for "预拉"

preliminary drawing
prestretching
pretensioning

Related Translations:

预:  Ⅰ副词(预先; 事先) in advance; beforehand 短语和例子预约 make an appointment; 预祝成功 wish sb. success; 他们将预付一百三十法郎。 they will pay a hundred and thirty francs in advance. 勿谓言之不预。 do not say that we haven't

Example Sentences:

	1.	Preassembled parallel wire strands, in contrast to structural strands, do not require prestretching . 预先装配的平行钢丝索与结构钢缆相比，不需要预拉。
	2.	Steel reinforcement bar pre - drawn platform 钢筋预拉台
	3.	For reducing the disadvantageous influence of the the relaxation of strain and the lose of pretension on the structure , the time span of delaying scene torsional moment checx and accurate maintence method are given 为减少高强螺栓预拉应变松弛和预拉应力损失对结构的不利影响，给出了延迟现场扭矩检测的时间区间和正确维护的方法。
	4.	These can make up the shortcoming of slrcp ; 2 3 . to study the steel stress development of penstock , ring - form slsfsrcp and horse - shoe slsfsrcp during curing period are monitored . the pre - tension stress due to expansion of self - stressing concrete can be used in design ; 4 对圆形和马蹄形管道进行了28天养护期内力监测，研究了钢衬钢筋钢纤维自应力混凝土压力管道的自应力成长过程，明确了钢筋的预拉应力数值，为此类改性管道设计直接提供依据； 4
	5.	The third chapter introduced the experiment of thermal pre - elongated taper on the pof . through experiment repeatedly , the paper proposed the good parameter of plastic optical fiber thermal pre - elongated taper , and give some test and analysis on the thermal pre - elongated taper plastic optical fiber 本论文第三章对塑料光纤热预拉锥的实验进行了介绍。通过反复实验,本论文提出较好的塑料光纤热预拉锥相关工艺参数,并对拉锥后的塑料光纤进行相关的测试分析。
	6.	Before plastic optical fiber widespread application , each kind of plastic optical fiber coupler must be used surely , at present the important method to manufacture the plastic optical fiber coupler is fused elongated taper . if adopt this kind of method , the conversion efficiency between the core modes and the cladding modes is low . one of the methods to solve that is 在塑料光纤广泛应用之前必然运用到各种塑料光纤耦合器,目前熔融拉锥法是制备塑料光纤耦合器的重要方法,然而此种方法存在纤芯模与包层模的转换效率比较低的问题,解决这问题的一种方法是对塑料光纤进行热预拉锥。

Similar Words：

"预扣所得税表" English translation, "预扣职工所得税" English translation, "预捆缚" English translation, "预扩散" English translation, "预扩展器" English translation, "预拉钢丝" English translation, "预拉钢索" English translation, "预拉力" English translation, "预拉伸" English translation, "预拉伸；预牵伸" English translation