“黑车非驾”为何猖獗

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Phase formation in ternary system of complex Sc, Na and Li phosphates was studied at 950 ℃ and synthesis of new phases of definite composition was carried out.
夏季行车由于气温高,有些机件因过热,容易导致机械故障;人也易疲劳、瞌睡和中暑,容易发生交通事故.为确保行车安全,机车驾驶员应做好以下10防.
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