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。
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。
应用推荐