钙质沉积物堆积在海底，最后压紧并胶结形成石灰岩。
Calcareous sediments accumulated on a sea floor and eventually were compacted and cemented to form limestone.
钙质沉积物分布在碳酸钙补偿深度（CCD）界面以浅区。
Calcareous sediments distributed in the calcium carbonate dissolution belt above CCD boundary.
甲酸能有效地溶解和去除钙质沉积物，包括锈、水垢和氧化铁沉积物。
Formic acid efficiently dissolves and removes calcium based deposits, as well as rust, scale and iron oxide deposits.
该机器（1）具有用于处理水以减少钙质沉积物在所述液压回路中的形成的磁场发生器（31）。
The machine (1) has a magnetic field generator (31) for treatment of the water to reduce the formation of calcareous deposits in said hydraulic circuit.
钙质或碳酸钙越近现代，所构成凝灰岩地层的沉积物越靠近底部，颜色也比较浅。
The more recent calcareous, or calcium carbonate, deposits that make up the tufa formations are closer to the bottom and lighter in color.
钙质或碳酸钙越近现代，所构成凝灰岩地层的沉积物越靠近底部，颜色也比较浅。
The more recent calcareous, or calcium carbonate, deposits that make up the tufa formations are closer to the bottom and lighter in color.
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