pivotally造句
Thepresentinventionsafetydeviceisaone-pieceneedleassemblythathasabaseandahousingpivotallyconnectedtothebase.Thebasemember(1)ispivotallyconnectedtothelevermember(2)byapin(5)thatprovidesaleveragefulcrum...
Thepresentinventionsafetydeviceisaone-pieceneedleassemblythathasabaseandahousingpivotallyconnectedtothebase.Thebasemember(1)ispivotallyconnectedtothelevermember(2)byapin(5)thatprovidesaleveragefulcrum...