The lower shell的意思|示意

Chitin fiber: chitin, also known as chitin, chitin, shell protein from crustacean shells and fungi, algae and other lower plants of the cell wall extract of a positively charged cellulose animals.

甲壳素纤维：甲壳素又称甲壳质、几丁质、壳蛋白，是从甲壳动物外壳及真菌、藻类等低等植物的细胞壁中提取的一种带正电荷的动物纤维素。

It is fixed at exit section of the shell to reduce whirling current and thus reduce compact on the performance of instruments of lower reaches.

固定在壳体出口段，其作用是消除旋涡流，以减小对下游仪表性能的影响。

Freshwater turtle of Chesapeake bay tributaries having red markings on the lower shell.

产于切萨皮克海湾的淡水龟，下面的壳上有红色的斑点。

Based on the field survey and indoor analysis, geological mapping unit for Fuping surface shell rocks is built, and the unit is divided into upper and lower parts.

依据野外调查资料和室内化学分析，组建了阜平表壳岩的填图单元，单元分为阜平表壳岩上部和阜平表壳岩下部岩石。

A perforated plate (supporting shell) is placed between upper and lower sealing rim to reinforce the pleated material against deformations (sealing force).

一个孔板(支撑骨架)被置于上下密封环的中间来加固折叠材料以防变形(密封力)。

A new coffee cartridge can then be added to the lower cartridge shell.

然后新的咖啡盒能加入到下盒壳。