软钢板法兰, 不锈钢铸板法兰,片型蝶阀, 2片式法兰型球阀, 钢板。
Mild steel plate flanges , cast stainless steel flanges , wafer-type butterfly valve, 2-piece flange-type ball valve, steel plate.
单向、双向压力球轴承保持架一般采用钢板冲压成型,大尺寸或特殊用处的轴承则采用黄铜或软钢车削保持器。
One-way, two-way pressure ball bearing cage generally use steel stamping molding, large size or special use of the bearings are made of brass or mild steel turning cage.
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