查询词典 breech-loading

Derived from the 1929 fortress gun (itself a development of the old 1897 field gun) with a semi-automatic breech and an automatic loader added, the "high power" APX 75mm gun fired a mle 1915 HE round with a reduced charge at 400 m/s and the mle 1915 AP round at 570 m/s (50mm penetration at 1000 m) and its two sights and stereoscopic rangefinder allowed a direct fire range of 2000 m.

&大威力&APX型75毫米炮由1929型要塞炮（旧式1897型野炮的发展型）衍生而来，加装了半自动炮尾和一个自动装填器，发射减装药的1915型高爆弹（初速400米/秒），及1915型穿甲弹（初速570米/秒，1000米距离可穿透50毫米装甲）。

Result: the first five pathogenic factors of pprom are infection, breech presentation, multiplets, premature delivery and miscarriage, and the syndrome of pregnancy hypertension.

不同孕周的二组早产对母亲影响无显著差别；在新生儿死亡、新生儿呼吸窘迫综合征及低体重儿发生率有显著差别（p 0.01）。

Result: The first five pathogenic factors of PPROM are infection, breech presentation, multiplets, premature delivery and miscarriage, and the syndrome of pregnancy hypertension.

结果：感染、臀位、多胎、早产流产史及妊高征占据PPROM病因的前五位。

However, I made shift to make two or three new waistcoats, which I hoped wou'd serve me a great while; as for breech es or drawers, I made but a very sorry shift indeed, till afterward.

尽管如此，我还是勉强做成了两三件新背心，希望能穿一段时间。至于短裤，我直到后来才马马虎虎做出几条很不像样的东西。

None of the breech presentations were vaginally delivered.

而其中并没有任何经由阴道分娩的臀位生产。

Meanwhile, the propulsion process of close-breech gun and recoilless gun are simulated and the performances of the three weapons mentioned above are compared with each other.

同时也计算了闭膛火炮和无坐力炮的发射过程，比较了这三种武器性能的异同。

Usually the work of paediatricians often encountered in clinical treatment in children: 2-month-old baby is not laugh, or four five-month-old baby will not rise up the first non-erect, or more than 3-year-old child to walk properly, toe down, heel and could not walk forward, walking instability, the majority of children with mothers who have children with a detailed statement of the history of neonatal asphyxia and abnormal birth processes, such as breech births, adequate presentation production, mothers had pregnancy-induced hypertension or fetal heart rate or pre-B ultra-poor can be seen with cord around neck, wrapped around limbs or broken membrane as early as more than 12 hours and even some more than three days.

通常儿科医生在临床工作中常遇到就诊患儿中有：2个月的小宝宝不会笑，或四五个月的小宝宝不会抬头、头竖不起来，或3岁多宝宝走路不好，足尖朝下，足跟不着地，走路向前冲，走不稳，这些患儿中大多数母亲会详细陈述患儿有新生儿窒息的病史及不正常的分娩过程，如臀位产、足先露产、母亲有妊娠高血压或生前胎心不好或产前B超可见脐带绕颈、缠肢体或羊膜早破超过12小时甚至有的超过3天。

The primary criticism of direct impingement is that fouling and debris from expended gunpowder is blown directly into the breech.

直接导推式的气动方式的主要问题在于火药燃烧后剩下的污物和残渣会直接吹到枪机里。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失