用“telescopic cylinder”造句大全，telescopic cylinder造句
telescopiccylinderoftwostagesTheapplicationofsingle-actionsleevetelescopiccylindercanhelptosolvethecontradictionoflongstrokeandnarrowworkplace....
用“telescopic sight”造句大全，telescopic sight造句
It'sasportingriflefittedwithatelescopicsight.Anydecentshotwithtelescopicsightscouldpickusoffatrandom....