雜黏土 的英文怎麼說
中文拼音 [zániántǔ]
雜黏土
英文
symmict clay-
The west dam faced the inner sea of rocky harbour and was 2, 470 ft. long and 333 ft. high. the construction of the 2 dams was a complicated process, as 2 cofferdams had to be constructed at each of the sites, before the main dams could be built. these were to keep the dam sites dry for construction
兩條主壩建築工程相當復雜，在興建主壩之前，需于建築堤壩地點建造圍堰，將海水隔開，抽乾海床范圍內的海水，挖除黏土和沙，才築堤壩，使主壩能穩固地建造在堅硬的巖石上。Ground - up shells of marine organisms mixed with pebbles, clay and eroded rock, deposited there over many millennia, now form a bed of muddy paste that is so soft and well lubricated that the ice streams can glide along even more easily than earlier researchers expected
有科學家將積冰融化出一公里長的窄洞，採集古老海床的樣本，結果發現地底混雜了海洋生物殼體、礫石、黏土與風化巖，幾千年下來形成又軟又滑的泥床，使冰流較先前研究人員預期的更容易滑動。
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