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1·So that you can feel its tightness.

这样您就可以感受到它的气密性。

2·This can lead to permanent tightness.

这样会导致永久性的关节紧。

3·Is there any tightness, tension, pain?

有任何紧绷、紧张、痛苦吗？

4·It's actually just kind of a tightness.

其实不是的。其实只是一种紧促。

5·The other factor is the tightness of credit.

另一个因素是信贷紧缩。

6·One is the continued tightness of credit.

第一，持续性的信贷紧缩。

7·To test for tightness of second check Valve.

检测第二止回阀的密封性。

8·Seating load and tightness is dependent on back pressure.

阀座密封负载和紧密性与反压力相关。

9·Any time you notice tightness in your body, make sure to relax.

任何你注意到身体紧张的时候，确保要放松。

10·Sometimes chest tightness is the symptom of heart disease.

有时候胸闷是心脏病的征兆。

紧密

1·The spider does this by changing the tension — or tightness — of the silk lines.

蜘蛛是通过改变丝线的张力或紧密度来做到这点。

2·An attempt was made to define the safety grade of flanged connections according to target leakage rates described in domestic gasket standards and tightness rates of joints stated in PVRC of ASME.

根据国内垫片标准规定的泄漏率指标和美国PVRC对连接系统划分的紧密度等级，尝试定义了法兰连接系统的安全性等级。

3·Seating load and resultant tightness is dependent upon back pressure.

阀座密封负载和组合的紧密性是与返回压力密切相关。

4·Seating load and tightness is dependent on back pressure.

阀座密封负载和紧密性与反压力相关。

5·The transient sealing design method of the flange based on the tightness was put forward and programmed.

提出基于紧密度的法兰瞬态密封设计方法并编程实现。

紧密性

1·The concept of the tightness of bolted flanged connections was proposed.

提出了高温螺栓法兰连接的紧密性概念；

2·The analysis result shows that the influence of the additional flexural torque on the tightness of the bolted flanged connection structure is comparatively...

分析结果表明，附加弯矩对螺栓法兰连接结构的紧密性有较大影响。

紧度

1·The influence of fabric texture, yarn fineness and fabric tightness on moisture permeability, UV resistance and wrinkle recovery of Nylon taffeta fabrics is investigated.

探讨了织物组织、纱线细度、织物紧度对尼丝纺织物的透湿性、抗紫外线性和折皱回复性的影响。

2·It is concluded that the strength of the paper chopstick improves with increase of tightness of the paper while its fiber length affects slightly.

结果表明，纸质方便筷的强度随紧度的提高而提高，而纸张纤维的长度则影响较小。

坚固

1·Some initial pressure or tightness for about 5 minutes should be expected.

一些起始压力或坚固大约5分钟之久应该是预期的。

2·The trapezius is prone to muscle imbalance. The upper portion is prone to tightness and the lower portion is prone to weakness according to Janda.

斜方肌很容易肌肉失衡，据Janda所言，其上束部分倾向于坚固而下束部分倾向于软弱。

紧致

1·It can promote the metabolism of skin cells, help skin regain tightness. It is especially suitable for people with flabby skin.

促进肌肤细胞新陈代谢，帮助肌肤回复紧致，特别适合肌肤松弛者使用。

紧密度

1·Mortimer says by controlling the tightness of the material, it lets the spider effectively tune their web's properties.

莫蒂默表示，通过控制材料的紧密度可以让蜘蛛有效地调整蛛网的属性。

(1)air tightness气密度

(1)water tightness水密性；水密度，不透水性

(1)gas tightness不透气性，气密性

(1)tightness test紧密性试验

(1)leak tightness密封性；渗漏紧度