常見例句Type SZG Water-ring vacuum Pump are used to pump and compress air and other gas uncorroded and indissolvable in water. 用途：可供抽吸空氣或其它無腐蝕性、不溶于水、不含固體顆粒的氣體。適合于水泵抽氣引水和抽真空之用。The main component of Nafion membrane is similar to PTFE which makes it uncorroded with chemical material. 此外由于膜的主要成分類似于聚四氟乙烯，所以對化學物質的腐蝕有很強的抵抗能力。 返回 uncorroded