Every "green shield" has an only serial number registered in operation management system. Traffic police can find out targeted taxi's information within 50-80m through the "green shield".
每个“绿盾”内都有与运政管理系统相对应的唯一编号，交通执法部门可以通过车载读写器就可以在50到80米外稳定读取车内“绿盾”的信息。
The main production and management for various models of cemented carbide brazed (drilling) equipment, hot melt drilling, carbide cutting tools, such as shield.
主要生产、经营各种型号硬质合金钎(钻)具、热熔钻、硬质合金盾构刀具等。
The main production and management for various models of cemented carbide brazed (drilling) equipment, hot melt drilling, carbide cutting tools, such as shield.
主要生产、经营各种型号硬质合金钎(钻)具、热熔钻、硬质合金盾构刀具等。
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