查询词典 impermeable

They are absolutely opaque and impermeable to air, tightly sealed and thus preserve taste, and hygienically sterile.

他们是绝对不透明而不透水的空气，密封，从而保住口味，又卫生消毒。

It is observed that the crack impermeable model can be used under some condition.

结果表明，裂缝不可渗透的边界模型在一定条件下可以合理使用。

As a new type of impermeable material. composite geomembrane is widely used in water conservancy projects today.

复合土工膜作为一种新型的防渗材料，在当今水利工程中已得到相当广泛的应用。

The gourd has been used as a container since the earliest times, because of its naturally impermeable skin.

该葫芦被用作一个容器，因为最早的时候，由于其自然渗透皮肤。

Design of impermeable layer is the central issue; construction should guarantee the design requirements with the highest quality.

设计的核心内容是防渗层，对施工的要求是要确保高质量地满足设计要求。

Thin layers of other impermeable materials are found in nature, too.

在自然界中也发现有其他非渗透性薄层物质。

Now the Milan defence seems more protected and impermeable...

现在的米兰防守似乎更加有保证和严密了。。。

But China's media controls are not as impermeable as they were when the Berlin Wall fell.

但是中国的媒体控制不像在柏林墙倒时那样密不可透。

Internal drainage can be enhanced by reducing the amount of impermeable pavement in your hardscaping plan.

内部排水可以提高您的hardscaping减少计划的不透水路面的数额。

The materials used shall exhibit high elasticity, shall be impermeable to water and shall have

所适用的材料应具有高的弹性，不渗水，低趋势吸收蒸

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。