This test method is not intended for use in testing corrugated boxboard, liner board, or hardboards that tend to cut the thin rubber diaphragm. 这个试验方法不用于试验割成薄的橡胶横隔膜的瓦楞盒纸板,垫板或硬纸板。
The structre of dry-processed binderless hardboards studied by electron microscopy 用电子显微镜研究干法无胶硬质纤维板的结构
Study on concrete-form board made from hardboards 硬质纤维板压制混凝土模板的研究