The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.
海龟颈部和四肢的肌肉及骨骼的特殊设计使它能把暴露在外的部分缩回去，这样攻击者只能去咬坚硬的外壳。
Based on the practical effect, the corrosion resistant method using double layer graphite lining and natural hard rubber layer in between steel shell and graphite plate is a successful method.
从实际使用的效果来看，对此类介质采用双层石墨板衬里、钢壳与石墨板之间设置天然硬质橡胶隔离层这一防腐方法是成功的。
Used power solidifying in the soft soil ground treatment to thicken the hard shell level method processing, confirmed its usability.
在软土地基处理中采用了动力固结加厚硬壳层的方法处理，证实其实用性。
The conventional extracorporeal circuit, membrane oxygenator and fitting hard plastic shell venous reservoir was used in both groups.
两组均采用常规体外循环回路、膜肺式氧合器及与之配套的硬塑静脉贮血室。
The conventional extracorporeal circuit, membrane oxygenator and fitting hard plastic shell venous reservoir was used in both groups.
两组均采用常规体外循环回路、膜肺式氧合器及与之配套的硬塑静脉贮血室。
应用推荐