例句與造句

1. During the period, technicians removed defective insulation protecting nozzle O-rings and replaced it using a new vacuum-fill method to prevent the formation of small voids.
2. The scrub was the latest in a series of unrelated launch difficulties _ from woodpeckers attacking shuttle fuel tanks to defective insulation in solid-rocket booster nozzles _ that have dogged the shuttle program this year.
3. It's difficult to find defective insulation in a sentence. 用defective insulation造句挺難的