self detaching hook

hook的翻译中文意思-在线英汉词典 ... secondary hook 副钩 self-detaching hook 分离钩 shackle hook 旋转吊钩 ...

直角三角形... ... "自冷式变压器"," self-cooled transformer" "自卸钩"," self-detaching hook" "自行放电"," self-discharge" ...