It’s(reasonable)to expect people to work more than 60 hours a week.

If you have the right(equip) ，you won’t find the job difficult.

This essay is still too long.I’ll have to(short)it by one or two pages.

Now that you know all the facts ，you can make an informed(choose).

This advertisement is a(type)example of their marketing strategy.

变压器瓦斯保护动作后，应区分是重瓦斯还是轻瓦斯，然后观察表计，并对变压器油枕中的油色及进行检查。

站控室操作站场阀门时，阀门必须。

采用碱性焊条一般使用电源和操作方法。

在风力超过 5 级时不得露天进行或。

使用中的氧气瓶和乙炔瓶应放置，并固定起来。氧气瓶和乙炔气瓶的距离不得小于米。