- 泵管直径
- 难燃性
- difficult: adj. 1.困难的，(工作等)艰难的。 2.执拗的，顽 ...
- difficult-flammability plywood: 难燃胶合板
- flammability: 可燃性的; 晚燃性; 易燃的; 易燃性能
- be difficult of: 难于, 不易
- be difficult to: 很难去……
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difficult-flammability中文什么意思
- 泵管直径
- 难燃性
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例句与用法
- Test method of difficult - flammability for building materials
建筑材料难燃性试验方法 - Test method of difficult - flammability for
建筑材料难燃性试验方法 - Difficult - flammability plywood
难燃胶合板