单词	abrasive composition
释义	abrasive composition n.磨料
随便看	carry out customs clearance carry out drastic reforms carry out drill carry out economic reform carry out engineering carry out examination carry out/execute a contract carry out execution carry out expansion carry out flag carry out formalities carry out fraud carry out free choice feeding carry out/get through the work carry out grand manoeuvres carry out/implement program carry out improvement carry out improvements carry out instructions carry out law strictly carry out market planning carry out measures carry out new education policies carry out observation carry out observations