hydrator meaning in Chinese

水合器
水化器

Usually a gas cooler is used between the combustion chamber and hydrator .
通常在燃烧室和水合器之间设置一个气体冷却器。
Its fresh and pleasant fragrance makes it an ideal revitalizing hydrator for the summer
花水的纯天然和清新香味是抵挡似火骄阳的最佳恩物。
Shake the bottle gently and apply a few drops to the face and the neck after using a hydrator and before moisturizing your skin
使用方法使用前摇匀，用数小滴轻按在脸及颈上，再涂上其他润肤霜。