Third, the option of using high-quality air-entraining agent.

Air-entraining agent increases impermeability of hybrid fiber concrete.

引气剂有助于提高混杂纤维混凝土的抗渗性。

Experimental study on multiaxial characteristic of air-entraining concrete-thaw cycling is just in the initial stages.

冻融条件下引气混凝土的多轴力学性能研究,目前尚处于初步阶段.

The air-entraining thermal insulation board has light weight, high strength, and high thermal insulating effect.

用本发明工艺及成型装置制作的保温板重量轻, 强度高,保温、隔热性能好.

Even an air-entraining agent can be used because the minute pores are discontinuous.

甚至可以使用加气剂,因为小的气孔是不连通的.

Hydraulics model is built by using similar theories, which simulates the process of entrainment of tapping.

利用相似原理建立水力学模型, 模拟了出钢过程中注入流体卷入气体的过程.

Another problem is the large carbon loss by entrainment.

另一问题是大量的碳夹带损失.

As its height is increased entrainment lessens.

当它的高度增加时,夹带就减少了.

Not be in the steam of boiling water entrainment.

不致因沸腾而在蒸气中夹带水珠.

For given solids and vessels the entrainment is very sensitive to gas velocity.

对给定的固体颗粒和容器,其夹带量对气速非常敏感.

The large opening of the bell reducer keeps air velocity low thus preventing moisture re-entrainment.

喇叭形异径管的大开口度使空气流量保持较低从而避免把水分再次带走.

When entrainment occurs these solids must be recycled.

发生夹带时,这些颗粒必须循环回去.

It offers several parameters to adjust for entrainment of sulfur or H 2 S.

他提供了几个参数来调整硫磺和H2S的夹带情况.

Reporters intercepted him as he tried to leave by the rear entrance.

他想从后门溜走,记者把他截住了.

He entered by a secret entrance.

他是从一个秘密入口处进来的.

We were handed tickets at the entrance.

在入口处有人把票给了我们.

There was a hamburger stand at the entrance to the station.

车站入口处有一个卖汉堡的小摊.

Entrance to the college is by examination only.

入这所学院只有通过考试.

There were people at the entrance giving out leaflets.

有人在入口处散发传单。

The entrance examinations to high school began yesterday morning.

中学入学考试昨天上午开始了.

Entrance is free, but by ticket only.

免费入场，但是要凭票进去。