刺

Piercement of drilling pump cold cyclinder is a serious problem existed in field application.Piercement is caused by cavitation erosion.

钻井泵冷缸刺漏是钻井泵在现场使用中存在的一个较严重的问题。

Leaf blade elliptic or ovate-elliptic; peduncle very short; each cyme 2-4 × branched; thorns erect.

叶片椭圆形或卵形椭圆形；花序梗非常短；每聚伞花序 2-4 *分枝刺直立。

Leaf blade broadly elliptic or obovate; peduncle usually absent; each cyme 2 or 3 × branched; thorns somewhat decurved

叶片宽椭圆形或倒卵形；花序梗通常无；每聚伞花序2或3 *分枝刺有点下弯 5

Triacanthine, however , has no cytokinin activity, but this appears when it is autoclaved

三刺皂荚碱虽然没有细胞激动素活性，但当进行高压消毒时，就出现了活性。

The bad news is a dagger to his heart.

这条坏消息刺痛了他的心。

He struck a dagger into the man's heart.

他把匕首刺入那个人的心脏。

Every word she uttered was a dagger to my heart.

她说的每一句话都像匕首刺进我的胸膛。

Your smile is like a dagger, like the thorn in my heart, I was left in the brand of happiness.

你的微笑就像把匕首一样刺在我的心里，在我心里留下了幸福的烙印。

He thrust a dagger into his enemy's heart.

他把匕首刺入敌人的心脏。

"When I did my knee at Spurs I felt as if I would have to come off, but then I decided I could continue,"Essien told the Daily Star Sunday.

"在那场与热刺的比赛中我伤到膝盖之后，我觉得我好像支持不下去了，但是我还是决定继续，"

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐