bellows seal type 中文意思是什麼
bellows seal type
解釋
波紋管密封式-
Bellows seal type
波紋管密封式 -
It is of built - in type, single seal face, single spring and rubber - bellows mechanical seal
內裝式、單端面、單彈簧、橡膠波紋管機械密封。
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