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Terms for subject Oil / petroleum containing delay-action | all forms | exact matches only | in specified order only
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delay action detonator延迟引燃炸药
delay action detonator迟发雷管
delay-action exploder延迟放炮器
delay-action exploder延时雷管
delay-action exploder延迟雷管
delay-action exploder延迟爆炸剂