heat sealer热封机;热封口机
bar sealer条焊机
Jotafloor Sealer环氧地坪封闭漆
Fortify Sealer特强封地剂
CLEAR SEALER瑞雪水晶漆
Concrete sealer混凝土密封固化剂
audit sealer审计封口机
pipe sealer管密封器
Handy Sealer塑料封口器
N-MASS(集合名词) A sealer is the same as a . 同sealant
N-COUNT(可数名词) a person or ship occupied in hunting seals 猎海豹者; 猎海豹船