型钩 meaning in Chinese

d-ring

Zinc - coated ferrous insulator clevises for overhead line construction
架空线建造用镀锌亚铁u型钩绝缘子
Development of the digital magnetic powder detector for cjw - 4000 yoke
4000型钩尾框数字化磁粉探伤机的研制
Leaf chains , clevises and sheaves
叶片链u型钩和滑轮
Loop - type hook uses en362 standard , thread - locking type . the tensile strength is 22kn , the opening is 19mm
环型钩，采用en362标准，螺纹锁定式。
Staple - lock couplings type s for hydraulic power - transmission circuits - dimensions , requirements , testing
液压动力传输管路用s型钩环锁定联接器.尺寸要求和

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