premoulded asphalt sealing strip

例句：

1. 1. The premoulded parts of the machine are easy to install.
   机器的预成型部件易于安装。
2. 2. The premoulded plastic parts can be replaced easily.
   预成型的塑料部件可以很容易地更换。
3. 3. The premoulded design ensures a smooth and efficient operation.
   预成型的设计确保了平滑且高效的操作。