英语语法分析

A postoperative semirigid cervical collar was prescribed for 2 months.

手术后嘱患者2个月内戴半刚性的颈托。

Cushion is a core part in the rigid and semirigid composite foundation.

褥垫层是刚性桩和半刚性桩复合地基的核心技术之一。

These test methods are generally applicable to both rigid and semirigid materials.

这种测试方法一般适用于刚性和半刚性材料。