general-purpose sealant

例句：

1. 1. The general-purpose sealant is used to ensure the integrity of the joint.
   这种通用密封剂被用来确保接缝的完整性。
2. 2. The manufacturer recommends using a specific type of general-purpose sealant for this application.
   制造商建议使用特定类型的通用密封剂来处理这个应用。
3. 3. General-purpose sealants are commonly used in automotive repair to prevent leaks and maintain airflow.
   在汽车修理中，通用密封剂常用于防止泄漏和保持空气流通。