增强材料。玻璃纤维粗纱规范。第2部分：试验方法和一般要求。
Reinforcements - Specification for textile glass rovings - Part 2: methods of test and general requirements.
本规范规定了采购“导电炭黑”材料的要求、试验方法、检验规则、包装、标志、运输及贮存。
This specification specifies requirements, test methods, inspection rules, packaging, marking, transportation and storage of "conductive carbon black" materials.
指出必须严格按照统一的、规范的方法进行试验，才能使各种工厂化育秧设备的性能指标具有可比性。
It pointed out that we must obey a uniform and normative method to do the test to make the performance indexes of various factory seedling facilities comparable.
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