用“idler roll”造句大全，idler roll造句
TRIZtheorybasedtheidlerrollsealingresearchThesystemfeaturesasealedcuringchamberbuiltaroundasmallidlerroller....
用“idler”造句大全，idler造句
Introducedanewtypeofidlernamedcentrifugalbackidlerusedincoalminebeltconveyors.Bankidler:hopetofindmyteachersandfriendshere!Thisidlerwassatedwithfoodandremainedidle.Thepresentinventionisbakeliteidleran...