She latched on to his arm, hooking her other arm around a tree.她拽住他的胳膊不放，另一只胳膊抱紧一棵树。Companies send him all over the world hooking up these complex systems.公司派他到世界各地去连接这些复杂的系统.Connecting rod feeding mechanism , needle bar...
She latched on to his arm, hooking her other arm around a tree.她拽住他的胳膊不放，另一只胳膊抱紧一棵树。Gel formation requires hooking various chains together.凝胶的形成需要把不同的链钩链在一起.Companies send him all over the world hooking up these complex ...