He hung the light from a steel crossbeam in the roof.
他在屋顶上的钢横梁上吊上电灯。
The infusion bottle is hung above the arm of the crossbeam.
输液瓶悬挂在横梁的吊臂之上。
The light design of crossbeam has a good quality, light self-weight and small inertia.
横梁采用了轻型结构设计，该结构钢性好，自重轻，运行惯量小。
The light design of crossbeam has a good quality, light self-weight and small inertia.
横梁采用了轻型结构设计，该结构钢性好，自重轻，运行惯量小。
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