新闻动态
Common symptoms and causes1, failure phenomenon: leakage at the sealing surface. Cause: loose screw thread; sealing surface damage. Remedy: re-tighten the screw; re-grinding polished sealing surface. 2, fault phenomenon: there is a leak at the valve.
2019-06-09 More DetailsMagnet that is the most primitive definition of aluminum-nickel-cobalt alloy (AlNiCo magnet in English that Alnico's initials), the magnet is stronger by several hard metals such as iron and aluminum, nickel, cobalt and other synthetic, sometimes copp
2019-06-09 More Details