土木工程编译词汇R-11-SCIdict学术词典-... ... 水泥空隙比 Ratio，void cement 用水比 Ratio，water-use 加权匐动比 Ratio，weighted-creep ...
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I use one teaspoon per gallon when I initially set up a tank, then about once a month make a partial water change, adding the same ratio of salt to the new water.
当我设立新缸时，我习惯在每加仑的水中加入一茶匙的海盐，然后等过一个月后再换部份新水同时再加入同样比例的海盐于新水中。
The uranium isotopic compositions of water are quite stable, and the mixing ratio of water body has been use...
水的铀同位素组分稳定，并应用混合比例计算了地下水资源量，其结果与常规方法计算结果完全一致。
REDUCTION RATIO BY VOLUME: Use clean water, 10 parts of paint to 1parts of water. Stir well before use.
稀释份量：根据施工需要，可酌情用0-10％的自来水稀释，充分搅匀后使用。
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