Hook-lever 钩杆
hook lock lever 吊钩锁定操纵杆
hook control lever 吊钩操纵杆
hook control lever position 吊钩操纵杆位置
pipelayer hook control lever 铺管机吊钩操纵杆
shoe lever hook 鞋形杆钩
operating lever hook 操作杆钩
lever hook 杠杆钩
hook winch control lever position 吊钩铰盘操纵杆位置
And in fact, you can take the wire, the electrode, and hook it up to a lever and teach the rat how to push the lever and give itself a little burst of pleasure.
事实上可以把电线,电极,连接到一个杠杆上,教老鼠,推动杠杆获得快感。
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