suction primer

例句：

1. 1. The suction primer is used to prepare the surface for painting.
   吸吮式底漆用于为涂装准备表面。
2. 2. Before painting, the suction primer must be thoroughly cleaned and dried.
   在涂装之前，吸吮式底漆必须彻底清洁并干燥。
3. 3. The suction primer helps to create a smooth and even surface for the paint to adhere to.
   吸吮式底漆有助于为油漆提供光滑且均匀的表面，使油漆能够粘附。