spring end造句

例句与造句

1. When does spring end and summer begin ?
   春天在什么时候结束，夏天从什么时候开始？
2. Suitable for each type of dual - surface molding , for example , spring end , bearing , magnet , connecting rod , piston ring , compressor valve and etc
   适用于各种双面加工例如：弹簧端面培林磁铁连杆活塞环压缩机阀片等。
3. It's difficult to find spring end in a sentence. 用spring end造句挺难的