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slippages的音標(biāo)：...

n.滑動( slippage的名詞復(fù)數(shù) )，下跌，滑動量，下跌量...

Damage consisted of wall slippages along construction joints that in one case amounted to 3 / 4 inch.破壞包括墻沿著建筑縫滑動,有一處3/4寸....