seal together

• 密合

seal together的用法和样例：

例句

1. When required in the occupational setting, tight-fitting respirators cannot be used by people with facial hair that interferes with the face seal.
   如果工作人员的面部有毛发，由于毛发会影响面罩与脸部的密合，这类人员就不能使用密合式呼吸器面罩了。
2. Multiple sizes or alternative facepiece designs can provide the individual with additional options for obtaining a good fit and seal.
   不同的号型或不同的面罩设计可以给使用者提供更多选择，取得良好的适合性和密合性。