吃： 缺乏氟化钙可能造成静脉曲张、齿龈老化、脊椎弯曲和视力问题。
Eat : Deficiency of calcium fluoride can cause varicose veins, receding gums, curvature of the spine, &eye problems.
依照婴儿成长，科学确定硬软适应度，分散婴儿全身压力，防止脊椎弯曲变形；
Grows according to the baby, the science determined that the hard soft sufficiency, the scattered baby whole body pressure, prevents the vertebra bending strain;
② PCB1254暴露造成的斑马鱼胚胎发育畸形主要表现为脊椎弯曲和心包水肿；
Deformities of zebrafish embryo exposed to PCB1254 mainly manifested spinal curvature and pericardialites;
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