The catalyst featured wide operating temperature "window", high activity and good crush strength.
催化剂具有高活性温域宽、氮氧化物去除率高和压碎强度好等特点。
This grip is working with ring crush tester to test the column compression strength.
本夹具在固定蝶形试样上下两端，使之成垂直状，搭配环压试验机可测试竖压强度。
This grip is working with ring crush tester to test the column compression strength.
本夹具在固定蝶形试样上下两端，使之成垂直状，搭配环压试验机可测试竖压强度。
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