sealant
n. [机] 密封剂
复数 sealants
例句
Apply a coat of sealant if you need to.
需要的话,抹一层密封剂。
Sealant such series of the water used for air curing.
此类密封胶系列用空气中的水分进行硫化。
Check with your school about whether it has a sealant program.
核实你的学校是否有提供保护胶的计划。