insertion pin造句

例句与造句

1. With separating zippers, the insertion pin may tear loose from the tape; the tape may even disintegrate from use.
2. Most metal zippers fail when the insertion pin tears loose from the tape, when one or multiple metal teeth fall off the tape or when the slider jams or breaks off.
3. It's difficult to find insertion pin in a sentence. 用insertion pin造句挺难的