口紧

The combustion efficiency at combustion chamber outlet of SFRJ with tube-in-hole is higher than that without it, and the combustion efficiency decreased with the tube moving downstream.

套管开口紧贴有效载荷末端时，燃烧室出口燃烧效率较无套管有所提高，套管向下游移动，将使燃烧室出口燃烧效率降低；

So I put the whole mouthpiece between my teeth and bit hard to hold it in place, and half sang, half tooted my part.

于是，我把整个吹口紧紧咬在牙齿中间，将它固定住，半唱半吹地演奏完了我负责的部分。

Beyond the walls, several suburban villages pressed close about the gates, but less numerous and more scattered than those of the University.

城墙外面，城门口紧挨着几个城关市镇，但数量少于大学城那边，也比那边分散。

Are you still feeling chest tightness or chest pain about other symptoms?

你仍然觉得胸口紧闷或胸口疼痛妈?那其它的症状 呢 ?

An Urgent Call Safeguards have strict conditions to be applied as an emergency remedy measure on imports of particular products.

保障措施作为一种进口紧急措施，具有严格的实施要件。

Close mouth catches no flies.

口紧不惹祸.

Distraught parents cling to each other on the sofa. Flanked by frowning detectives, the couple stare at their phone waiting for the kidnappers to call.

焦急的父母紧紧依偎在沙发上，周围是愁眉苦脸的侦探，老两口紧盯着电话机等绑匪的电话。

The scion is then securely placed into a cut on the rootstock.

然后将接穗插入砧木切口紧密贴合.

A close mouth catches no flies.

[谚]嘴唇闭紧，苍蝇难进；口紧不招祸；祸从口出。

Pin out one or two very small tucks on the seamline so the neckline will cling to the body.

在缝线上用别针别一二个小褶，这样使无领的领口紧贴身体。