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。

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。