The bed was close to the floor, unlike my iron lung.
床靠近地板，不像我的铁肺。
This old bed has an iron frame.
这张旧床的床架是铁制的。
The lathe bed is made of cast iron.
车床的床身是用铸铁做的。
床架是铁制的。
This old bed has an iron frame.
这张旧床的床架是铜的。
The electric heating bed is made of metal pipes (such as iron pipes).
用金属管做的（如铁管）叫做电热床或炕（地炕）。
The lathe bed is made of cast iron.
本文介绍采用有限元法计算车床床身的静刚度。
The lathe bed is made of cast iron.
这台车床（床、床、床、床、齿机、床）我们国内制造的。
The lathe bed is made of cast iron.
这台车床（床、床、床、床、齿机、床）我们国内制造的。
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