There's a critical pressure, too, which for water is about 22 megapascals.

也有关键的压力，对于 水等于 22 兆帕。

This wall had a dry composite strength of 4.5 megapascal.

该墙的干复合强度为 4.5 兆帕。

A single human hair can take a force of 200 megapascals.

一根人的头发可以承受 200 兆帕的力。

In the case of a human hair, 200 megapascals is 20,000,000 kilograms of force per square meter of human hair.

就人的头发而言， 200 兆帕是每平方米人的头发 20, 000,000 千克的力。

In fact, it has a dry composite strength of 6.5 megapascal, as compared to a normal fired-brick, which just has 3 to 3.5 megapascal.

事实上，它的干复合强度为 6.5 兆帕，而普通耐火砖的干复合强度仅为 3 至 3.5 兆帕。