variable-speed blower的用法和樣例：
例句
- The Japanese experience in design, selection and maintenance of blower assemblies is described in this paper in detail.
較詳細地介紹了日本在鼓風(fēng)機的設計選型和維護管理方面的經(jīng)驗。 - The same powerful positive displacement blower technology used in large truck mounted vacuums is employed in the SAVE-YOUR-BACK-VAC.
吸塵器上還使用了同樣強大的正排量鼓風(fēng)機技術(shù)。
