1. The hydraulic oil is not clean If impurities are mixed in the oil, these impurities can cause strain when they are embedded in the gap between the piston and the cylinder. ଏହି ପ୍ରକାରର ଷ୍ଟ୍ରେନ୍ ନିମ୍ନଲିଖିତ ବ characteristics ଶିଷ୍ଟ୍ୟଗୁଡିକ ଅଛି: ସାଧାରଣତ a 0.1m ମେମ୍ ଗଭୀରତା, ସଂଖ୍ୟା i ...ଅଧିକ ପ read»