万年矿岩巷单进进尺低，严重影响着万年矿生产地区的正常衔接。
The problem of slow driving in rock roadway seriously affects normal replacing driving and working in Wannian mine.
将出口软管也必需至多超越100毫米的电器插座(请参阅图“丧失衔接”)为低。
The outlet hose must also be at least 100 mm lower than the appliance outlet (see drawing "drain connection").
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