线杆
4.Introduced the way of the three-dimension sculpt tehnology of involute worm based on Auto CAD 2004 and Pro/E.
5.A rod of wood, steel, or fiberglass used with a line for catching fish.
8.Molecular Mechanism Associated with Insecticidal Activity of Xenorhabdus Nematophila Strain CB6
9.Silver Brazing Method: Apply brazing wire or rod at point where tube enters valve socket.
10.The Theory of Singular Conjugation and the Principle and Technology of 0~° Involute--Enveloping Worm Gear Drive

