久久精品又粗又长又硬少妇毛片_成人亚洲a片v一区二区三区日本_国产成人亚洲综合无码dvd_少妇无码AV无码专区线_国产日韩三级中文字幕_精品国产乱码久久久久久动漫_亚洲啪啪综合av一区_亚洲偷自拍另类一区二区_中文字幕无线码_少爷们的床奴np高h

The importance of quality and safety of rubber fenders

With the development of China's shipping industry, there is an increasing demand for port and ship fenders, and the requirements for the performance of fenders are also increasing. Among them, rubber fenders are most widely used due to their excellent toughness and impact resistance. 

Dalian Fantai General Equipment Co., Ltd. learned through communication with a technician that the following key points need to be paid attention to when using a stacker. 1. Understand the basic structure and characteristics of the device. Before using the device, it is important to familiarize yourself with its structure, which components it consists of, and the performance and effectiveness of each component. 2. Understand the operation process of the device. Conditional users should also receive pre job training for operators to familiarize them with and understand the operating steps of the equipment. Strictly follow the operating procedures during homework to avoid equipment malfunctions.