缓降

huǎn jiàng

意思解释:(Delay falls)逐渐降低(拱形物或拱顶的支架),以使拱形物或拱顶安全达到最终平衡安放状态。

缓降的意思

一种在高层建筑发生危急情况时供人缓慢降至地面的工具。它是利用液体阻尼原理设计制造的,不需人工进行控制,体积只相当于饮料易拉罐大小,重量只有1—2.5公斤。△住高楼遇到危急,缓降器可保死里逃生。(《新晚报》1989年4月18日…

缓降是什么意思

One kind lays a person when high-level building produces critical condition slow fall the tool to the ground. It uses design of liquid damp principle to make, do not need to undertake controlling artificially, bulk is equivalent to beverage helping coal tub volume easily only, weight has 1 only, 2.5 kilograms. △ lives high-rise is encountered critical, delay falls implement insurable barely escape one's life. (new evening paper on April 18, 1989...

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