adjusting width by erect roll的用法和样例：
- They decide to perpetuate the memory of their leader by erect a statue.
- They decided to perpetuate the memory of their leader by erecting a statue.
- This property specifies the multiple of the pen width by which to multiply the size of the custom cap.
- Studies on the Compression of Electrooptical Q-switched Cr:LiSAF Laser Pulse Width by SBS Phase Conjugator[J].