英语语法分析

I remember that appurtenance in this forum can make very big.

拔刀这里我记得附件可以很大的。

Followed it, I select the model number throttle flap and appurtenance.

接下来，进行了制冷系统节流机构和附属设备的选型。

Safety guardrail is an important appurtenance to ensure traffic safety.

防撞护栏是确保交通安全的重要设施。