... 4.4.11 垛式支架试验crib test 4.4.12火管试验fire-tube test 4.4.13极限氧指数limiting oxygen index ...
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A method of realizing untouched fire test by a new transducer GP 16 fire test electron tube was introduced, and the circuit for finishing the functions was given.
介绍了采用新型传感元件GP - 16火焰检测电子管实现非接触式火焰检测的方法，并给出了完成其功能的电路图。
Electrical wire is sheathed in metal fire-retard tube, to prevent ignition caused by fire in battery test.
电线外套均套有金属防火管，有效阻止电池试验过程着火而燃烧的现象；
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