... rod grab 抽油杆爪 rod grasp 抽油杆爪 rod grip 抽油杆夹 ...
基于62个网页-相关网页
S-rod Grasp CRM 收集版
·2,447,543篇论文数据，部分数据来源于NoteExpress
If you let a baby grasp a rod and try to pull it away, he will cling more and more tightly until his whole weight is suspended.
如果你让一个婴儿抓住一根竿子，然后试着把竿子抽出来，孩子就会越抓越紧，直到他们整个重量都依附于此。
youdao
应用推荐
模块上移
模块下移
不移动