词汇	人为限制
释义	人为限制 artificial constraint
随便看	acid-resisting briek acid resisting casting acid resisting cast iron acid-resisting cast iron acidresisting cement acid resisting cement acid-resisting cement acid-resisting centrifugal pump acid resisting concrete acid-resisting concrete acid resisting enamel acid-resisting enamel acid-resisting fittings acid resisting glass cil acid-resisting glass coil acid-resisting glazed ware fitting acid-resisting glazed ware pipe acid resisting hose acidresisting iron acid resisting iron acid-resisting iron acid-resisting lacquer acid resisting material acid-resisting material acid resisting metal