床垫支撑架、摇篮、遮蓬，以及床裙是由织物覆盖着的。
The mattress support, bassinet, canopy, and bed skirt are covered in fabric.
这一修改是为解决床垫支撑硬件和相关结构风险的问题。
This change is needed to address mattress support hardware and related structural integrity hazards.
完成了LPG摩托车燃料供给系的总体布置与整车改装，及其燃料供给系支架与座垫支承的结构分析和抗弯加固；
Some research results are achieved as follows:(1) Layout of LPG supply system and modification of body construction are carried out, and structural analyses of fuel supply bracket are performed.
完成了LPG摩托车燃料供给系的总体布置与整车改装，及其燃料供给系支架与座垫支承的结构分析和抗弯加固；
Some research results are achieved as follows:(1) Layout of LPG supply system and modification of body construction are carried out, and structural analyses of fuel supply bracket are performed.
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