短語詞組短語low liquid limit silt 低液限粉土low liquid limit clay 低液限粘土low twist limit 扭曲下限Low Control Limit 能力下限Low -Limit 低級別low -limit contact 下限值觸頭low exciting limit unit 低勵限制low determination limit 檢出限低Low detection limit 最低偵測極限 返回 low limit