upstream deposit 中文意思是什麼
upstream deposit
解釋
河流上源沉積-
Then, to help the salmon swim upstream to deposit their eggs, they build special fish ladders up the smaller dams and rapids.
同時,為幫助鮭魚逆水,游回產卵的地方,他們在較小的水壩和急流上建設魚梯。 -
Halehate magnesite mine lies at upstream of halehate gully north to kaidu river 114km away from hejing county northwestwards. there are 14 relative big - scale ore bodies in the deposit. its reserves is more than 0. 13 billion tons
哈勒哈特菱鎂礦位於和靜縣城西北114公里開都河北的哈勒哈特溝上游,礦床中規模較大的礦體14個,該礦儲量在1 . 3億噸以上。
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