backing pump 中文意思是什麼

backing pump 解釋
初步抽氣泵
  • backing : n 1 後退，倒退，逆行。2 支持物；支援；（一群）支持人。3 襯墊物；（書的）背襯，襯里，照相底板。4 ...
  • pump : PUMP ＝politically upwardly mobile personality 政治新星，政治上有望晉升人士。n （淺口無帶的）輕舞...
  1. The series h pump can be a backing pump when combined with another high vacuum smelting, vacuum drying, vacuum impregnate and high vacuum simulation testing, ect

    廣泛地應用於真空冶煉、真空乾燥、真空浸漬、高真空模擬試驗以及其他真空作業上。
  2. Non - pollution, the pump body is made of polyvinyl chloride ( pvc ) plastics, and the onter cover is of cold - rolled steel plate with backing finish

    無污染，本機箱體為聚氯乙稀塑料，外殼採用不銹鋼和冷板靜電噴塑殼兩種。
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