hinge pin的用法和样例：
例句
- Combo material Hinge Pin Mounts have the advantage of lightweight and strength.
复合材料的铰链销支架的优点是重量轻，强度。 - Hardfaced seating surfaces, large diameter hinge pins, and corrosion resistant bearing surfaces help lengthen operating life in tough surfaces.
经过硬面处理的阀座表面，大直径铰链销，以及防腐蚀轴承表面，有助于延长坚硬表面的使用寿命。
