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。
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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