He finds some shards of an old medicine bottle, the cap of a salt-shaker and a half-brick with markings that date it sometime between 1904 and 1936.
他找到了一些旧药瓶的碎片、盐瓶的瓶帽和半块标有记号的砖，这些记号是在1904到1936年之间的某一天标记上去的。
Based on the experiment results, using inorganic salt as additive can substantially improve the stability and strength of the brick body.
根据试验结果：提出了用无机盐作砖体添加剂，能极大地提高砖体稳定性和强度。
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