siphonic造句
siphonpipe;siphonicpipeToensuretheheighteningengineeringoftailingdamtosuccessfullycarrythrough,siphonicdrainagesystemwasadoptedtolowerthephreaticlineinthedam....
siphonpipe;siphonicpipeToensuretheheighteningengineeringoftailingdamtosuccessfullycarrythrough,siphonicdrainagesystemwasadoptedtolowerthephreaticlineinthedam....