after head spring 后助缆 ; 首倒缆
fore head spring 前倒缆
button-head spring 钮头弹簧
head-spring 前助缆
brake head spring 闸瓦托弹簧
head spring needle knitting machine 汗绒布二用针织机
collector head spring system 弓头弹簧系统
spring head 泉源
同义词: fountainhead head
以上来源于: WordNet
N a spring that is the source of a stream 源泉
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