| 释义 |
1 ?龙门吊 ... floating crane 浮式起重机,水上起重机,起重机船,浮吊 frame crane 龙门吊 full circle crane 周转式起重机 ... 2 ?龙门吊车 ... 笼式热风干燥器：sguirrel cage (type)dryer 龙门吊车，桥式起重机：frame crane 六轴卷纸机：spar srum ... 3 ?人字形起重机 ... a-end a端 a-frame crane 人字形起重机 a-frame derrick 人字架转臂起重机 ... 4 ?龙门式起重机 ... frame cover 护板 frame crane 龙门式起重机 framed foundation 构架式基础 ...
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The brake wheel is a key part of portal frame crane, and its earlier failure and heat treatment defect during manufacture and use is the key factor, which affects the cost and efficiency. 制动轮是门座式起重机制动装置的关键零件，制动轮在生产制造和使用过程中的早期失效及热处理缺陷是影响生产成本及效率的重要因素。 - 2
In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle. 在这一阶段，吊架固定在吊车的挂钩上，船体完全脱离海床，在水下被转移到吊篮里。 - 3
Bamboo is connected together with lashing and bamboo bolt to form a frame on the floor before being erected by crane. 竹子与绳子和竹螺栓连接在一起形成一个地板上的框架，然后再由起重机吊立。
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