When he came in through the door, he had to lower his head to avoid banging against the doorframe. It looked as though he always bowed to you at the door.
他个子足有二米，每进屋门必须低头，才能躲过门框子的拦击，叫人误以为他进门先鞠躬。
My head bumped against the doorframe.
我的头磕在了门框上。
Fix a hinge with two screws on the doorframe.
在门框上用两个螺钉固定一个合页。
Mother held on to the doorframe and almost fell.
母亲手扶着门框，几乎跌倒。
Basically, the wall thickness is the doorframe thickness.
基本上，墙的厚度就等于门框的厚度了。
Due to carelessness, his head hit the doorframe with a loud bang.
他不小心把头撞到了门框上，一声钝响。
The hydraulic damper only needs to be fixed on a door and a doorframe when used.
使用时只需将它固定在门和门框上即可。
During an earthquake, people should take cover under a table, near an interior wall or in a doorframe.
在地震时，人们应当藏在桌子下，靠近内墙或者门框。
A worker leans against the doorframe of a curing barn at a tobacco farm in Cuba's western province of Pinar del Rio February 26, 2008.
2008年2月26日，在古巴西部比尔那德里奥省，一名工人正斜靠在烟草农场烤房的门框上面。
Rolling machines can be used to make various construction components, such as corrugated metal tiles, keel, universal Angle iron, curtain guide rails, metal doorframe etc.
用滚压成型辘机可以做出各种各样的建材构件，如金属波纹瓦片、龙骨、万能角钢、窗帘导轨、金属门框等。
When designing the doorframe wall of civil air defense according to the Code for Design of Civil Air Defense Basement, the internal forces are computed based on the cantilever beam model.
依照《人民防空地下室设计规范》对门框墙构件设计计算时，其内力采用悬臂梁结构计算模型，但是门框墙结构从结构受力特性上分析更接近于四边约束的板式结构。
When designing the doorframe wall of civil air defense according to the Code for Design of Civil Air Defense Basement, the internal forces are computed based on the cantilever beam model.
依照《人民防空地下室设计规范》对门框墙构件设计计算时，其内力采用悬臂梁结构计算模型，但是门框墙结构从结构受力特性上分析更接近于四边约束的板式结构。
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