GDSL-D series thawj qhov kev txhaj tshuaj tam sim no, yog cov cuab yeej zoo tshaj plaws rau kev ntsuas cov cuab yeej siv hluav taws xob tam sim no hauv kev lag luam hluav taws xob thiab hluav taws xob, siv nyob rau hauv cov chaw tsim hluav taws xob, chaw faib khoom, hluav taws xob tsim khoom thiab kev tshawb fawb lub koom haum, nrog rau cov yam ntxwv ntawm me me, lub teeb yuag. , yooj yim siv thiab tu.