1) twin-hook hoist
双钩倒链
2) chain legs
双链钩
3) double hook chain
双钩吊链
6) chain block
倒链
1.
The key points of reversal installation, the lift system of oil tank, the gin pole using in reverse installation and chain block used in assembling gin poles and molding bed are discussed in detail.
尤其对倒装法的施工关键—油罐的提升系统 ,对倒装时用抱杆、组装抱杆与胎模时用倒链作了详细的叙述。
补充资料：双钩
1.见"双钩"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条