hand guard

• 扶手

hand guard的用法和样例：

例句

1. The hired hand fixed the railing.
   雇佣劳工修好了栏杆扶手。
2. Applications range from electrical conduits and hand railings to high-pressure pipe lines that carry gas or caustic fluids.
   应用范围从电线管道和扶手到运送煤气或腐蚀性液体的高压管线。