hold suction 中文意思是什麼

hold suction 解釋
艙內吸管
  • hold : vt (held held holden )1 (用手、手臂等)拿住,握住,抓住,夾住。2 有,擁有,保存(財產);掌握...
  • suction : n. 1. 吸,吸引,吸入;吸力。2. 吸氣,吸氣通風;【物理學】空吸。3. 〈英國〉喝酒。4. 吸水管。
  1. Aside from cleaning technology of air - condition vent duct, the company has also hold many patent and advanced & new technology qualified project in the area of environment protection, such as automatic cleaner for water tank, air suction, slow dilute smart organic fertilizer etc

    除了空調風管清洗技術之外,在環保領域,公司還持有多項專利和高新技術認定項目,如全自動水箱清洗機、空氣取水設備、緩釋型智能有機肥等。
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