hard-shell 有硬壳的
Super Hard Shell 超级硬壳蜡
hard-shell egg 钢壳蛋
hard shell clam 硬壳蚌
HARD SHELL CLAM LARGE 法国活大蚬
coating hard shell 硬壳镀膜
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。
参考来源 - 高等级公路动力固结加厚硬壳层处理方法的研究While in the process of mixing, cement usage, density, thermal conductivity reduced, workability and the ability of soundproof become better. Because the ingredients, mixing and pouring of hard shell pumice lightweight concrete is different to general ones.
裹壳后的硬壳浮石及其混凝土性能试验表明,硬壳浮石物理力学性能得到改善,混凝土的和易性得到改善,水泥用量减少,密度减小,热导率降低,保温隔音性能提高。
参考来源 - 硬壳浮石及其混凝土空心砌块物理力学性能试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It drinks juice from tree roots and it is covered in a hard shell.
它喝树根的汁液，并且有一层硬壳覆盖着。
On the inside there's a seed with a hard shell.
在这里面有一颗有硬壳的种子。
The hard shell on a beetle is an outside protection, as is the "skin", called cuticle, of an earthworm.
甲壳虫身上的硬壳是外表保护层，就像蚯蚓的“皮肤”，它叫角质层。
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