基本解释滑轨英汉例句双语例句Each actuator is marked with a serial number, air connection and bottom mounting holes are marked for easy track and distinction.产品序列号、气源接口及底部安装孔全部电脑打字，易于辨识和跟踪服务。词组短语短语uS Actuator track 滑轨专业释义交通运输工程滑轨