protract

过去分词:

动词过去分词: protracted

更多词形:

形容词: protractive | 副词: protractedly | 名词: protractedness | 动词过去式: protracted | 动词过去分词: protracted | 动词现在分词: protracting | 动词第三人称单数: protracts |

单词例句:

How to Protract Standard Curve for Chemical Experiment Through Word Document

如何利用Word文档绘制化学实验标准曲线

Using this method, we can protract vector analysis atlas of planetary gear drive mechanism.

应用此方法,可定性地绘制出行星齿轮传动机构速度分析图谱。

High structure strengh,hot dip galvanized,greatly protract time of use.

高强度管材、产品经热镀锌处理、大大地延长了使用寿命;

To lengthen in duration;protract.

延长增加持续时间;持久

Simple protract method for the drawing of involute

渐开线齿轮齿廓的简便绘制

The distributed test system enables to survey and protract the body pressure distribution curve of different seat cushion effectively.

实验台中的分布式体压测试系统能够有效地测绘出不同座垫实验中的人机接触界面的体压分布曲线,并发挥出很好的测试作用。

Three hours have passed since the discussion was begun, and I' m afraid they will protract it still longer.

这个讨论会已经开了3个小时了,而且恐怕他们还会拖延下去的。

It is an automatic test instrument,which can automatically impose test load,protract curves,analyze and process data.

它是一个能自动加载测试,自动拟合曲线,自动分析和处理数据的测试装置。

It can protract live-span and improve the corrosion periods.

延长了使用寿命,大大提高了防腐使用周期。