selection造句 211. By designing and developing the mainframe and aluminum bar clamp, the clamping leaf spring can be adjusted to suit the different selection of the material or the transformation of angle. 212. The proposed protocol is based on CSMA/CA basis. The dynamic channel selection scheme is implemented and the number of the data channel is independent of the network topology.英文造句lay aboutlay claim tosecret agentpredicativelay bareawardeefermiserapelispingpaper trailleukoplakialittle sisterventriculardenticulatemovie theatrereechomesocarpurolithiasissalt shakerthrombocyterefractometerproblem solutionbig stickpacked cell volumepsychographicavifaunamagnificprotozoaneuglena