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我部引进的一台瑞典AtlasBoomerH１０４全液压凿岩台车在开始投入施工的初期发生钎尾、钻杆频繁断裂，平均打一百三十多个孔（累计进尺约４００m）左右断１根钎尾或钻杆（钎尾或钻杆的断裂一般是交替发生的），远远低于其设计使用寿命（累计进尺３６００m）。１故障现象（１）?
A Swedish AtlasBoomerH104 hydraulic drill rig introduced by our department occurred in the initial stage of putting into operation. The drill pipe was frequently fractured, with an average of more than 130 holes (cumulative footage of about 400m) Or drill pipe (drill shank or drill pipe fracture usually occur alternately), far below its design life (cumulative footage 3600m). 1 Symptom (1)?