令我头痛的英文句子,有关高分子上双螺杆挤出机的,
令我头痛的英文句子,有关高分子上双螺杆挤出机的,
reactor being a continuously stirring-type mixer having two stirring shafts having a plurality of plate-like paddles fixed thereto the cross-section of each of said paddles taken perpendicularly of the axial direction of the stirring shaft having a shape of a convex lens,an ellipse or a quasipolygon inscribing a phantom circle at each vertex,one of said paddles facing another paddle fixed to the other stirring shaft and said one paddle being positioned such that it rotates while the edges thereof keep a slight clearance from the inner surface of the barrel and the other paddle;