Some mining families resorted to scavenging for coal on slag heaps, a desperate move as most of the "slag" was very dangerous and liable to tip.
一些矿工家庭靠捡矿渣堆中的煤块解燃眉之急，这是一个绝望之举，因为大多数“矿渣”十分危险，极易倒塌。
The stress at star tip of grain was maximal, which is liable to failure.
星尖处的应力最大，是发动机药柱容易失效的部位。
The stress at star tip of grain was maximal, which is liable to failure.
星尖处的应力最大，是发动机药柱容易失效的部位。
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