The room had a seating capacity of over 200.

这个房间能容200多人就座。

《牛津词典》

If recovery does take hold, there is plenty of room to grow because of the amount of spare capacity (even if potential output has taken a hit).

如果真的实现了复苏，由于有了大量的空闲生产能力（即使潜在产出曾受到打击）经济就会有增长空间。

youdao

The inside of engine room is sticked sponge, each two jointing side are airproofed by airproof glue, enhancing the capacity of heat preservation of the engine room.

机舱内部粘贴海绵，各接合面采用密封胶密封，增加机舱的保温性。

youdao

In the case quoted above, the CIO believed that his IT department had been on a storage buying binge and it was high time to in fact use more of the raw disk capacity on the machine room floor that was already powered-up and spinning.

FORBES: No new storage in 2013

When the main chat room filled to capacity, necessitating the creation of Lobby 2, the community celebrated.

CNN: The good ol' days of AOL chat rooms

According to Gramlich, conventional generation sources like coal and natural gas are occupying the full capacity of the transmission grid, leaving no room for wind.

FORBES: No Comprehensive Energy Bill? That's Not Stopping Energy Lobbyists