该输送带已通过阻燃测试及静电测试等试验，并获得了合格证煤安标志及客户认可。
The conveyor belt has passed the flame test and static test pilot, and received certificate of coal safety signs and customer recognition.
该输送带已通过阻燃测试及静电测试等试验，并获得了合格证煤安标志及客户认可。
The conveyor belt has passed the flame test and static test pilot, and received certificate of coal safety signs and customer recognition.
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