台湾研新(YAN-CLUTCH)电磁式?磁粉式离合器;
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Yan clutch and brake 经营品牌
Yan Qun soil at this time the title to help build a new nest finally built, it also swallows Xiaoyan clutch hatched.
此时群燕衔泥帮助筑巢，新巢终于又筑成，这对燕子又孵出一窝小燕。
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