Two sets of groundsupport equipment; and four sets of spare parts.
两套地面支援装备以及四套备件。
2
A helium line unexpectedly vented, eventually leading groundsupport crews to a ring that had come loose from a seal.
一根氦管路意外泄露，最后地面支持人员发现问题源自一个松动的密封环。
3
To meet this new challenge, many Western nations, particularly the United States, are improving their fleet's groundsupport role with improved sensors and precision ground attack capability.