英语语法分析

A piezoelectric element is appressed with the impacting object.

一个压电元素是紧贴与冲击的对象。

Inflorescences cymose capitula with few sessile flowers, peduncle to 3 cm with recurved appressed fine hairs.

聚伞头状花序，着生数量较少的花朵，花梗约3厘米，有内弯的（？）贴伏细毛。

When students use the school bag, the stuffiness and hyperhidrosis caused by the appressed school bag on the back can be reduced.

学生使用此种书包，可减轻背部因紧贴接触书包而产生闷热多汗。