mold lubricant

例句：

1. 1. The mold lubricant is essential for the smooth casting of the plastic parts.
   模具润滑剂对于塑料部件的光滑铸造至关重要。
2. 2. The mold lubricant helps to prevent the plastic from sticking to the mold during the molding process.
   模具润滑剂有助于在注塑过程中防止塑料粘附到模具上。
3. 3.The mold lubricant is applied before the mold is assembled and before the actual casting begins.
   模具润滑剂在组装模具和开始实际铸造之前都要使用。