With the fabricated preforms , the pressure casting process of porous aluminum alloy was studied.

The structures of three dimensional ( 3 D ) textile preforms and composites are discussed in this paper.

本文主要讨论了 三维 纺织预制件及其复合材料的结构特点.

During low seasons, preforms could still be produced for blow molding during high seasons.

淡季生产的瓶坯可在旺季吹成瓶子.

This plane weaving method can be extended to produce other types of joint preforms.

这种平面织造方法也适用于其它多种接头织物的织造.

This system also proves to be a measurement of glass fiber three-dimensional braided composite materials preforms.

系统同样适合于玻璃纤维复合材料预制件厚度的测量.

On viscose staple fibers, the preganglionic hunters made the frantic business inventories fell short stick.

就粘胶短纤而言,节前的疯狂抄底使得粘短企业库存减少.

Unplanned pregnancies. Ruthless rivals. Daring escapes. And that's just the dogs.

意外怀孕. 无情的对手. 勇敢逃跑. 并且那只是狗.

Since the wartime population needed replenishment, pregnancies were a good sign.

最后一桩倒不失为好现象,战时人口正该补充.

For more information, go to Health Care Expenditures for Uncomplicated Pregnancies.

需要更多信息, 请阅读《非异常妊娠的医疗健康支出》一文.

This disease affects between 5 % and 8 % of pregnancies.

有5%～8%的孕妇受到该病症影响.

She's had three pregnancies in four years.

她在四年中怀孕叁次.

The number of teenage pregnancies is growing a startling rate.

少女怀孕人数正以惊人的速度增长.

Fetal weight should be estimated prior to labor in all postdates pregnancies.

在产程开始之前估计胎儿体重.

He is known for establishing pregnancies in women as old as sixty.

他因帮助60高龄的妇女怀孕而出名.

Five viable pregnancies were established.

已确定5个胎儿能够成活。

Our program aims at more than avoiding pregnancies or diseases.

我们的运动不仅仅是为了避免怀孕或者疾病.

the increase in teenage pregnancies

十几岁少女怀孕率的上升

unplanned/unwanted pregnancies

意外的 / 不期的怀孕

It would be wiser to cut out all alcohol during pregnancy...

在怀孕期间最好滴酒不沾。

This was her second pregnancy.

这是她第二次怀孕.

teenage pregnancies

少女怀孕