premoulded expansion joint filler

例句：

1. 1. The premoulded parts of the machine are easy to install and require minimal assembly.
   机器的预成型部件易于安装且组装需求最小。
2. 2. The premoulded plastic parts are designed to be easily replaced in case of damage.
   预成型塑料部件设计成易于替换，以便于在损坏时更换。
3. 3. Premoulded furniture is often more expensive than its non-premoulded counterparts due to the additional labor and materials required for customization.
   预成型家具通常比非预成型家具更贵，因为需要额外的劳动力和材料进行定制。