标准煤样
- 网络reference coal sample; Certified reference-coal; standard coal samples
标准煤样标准煤样
reference coal sample
... ... 5.27 标准方法( reference method) 5.28 标准煤样( reference coal sample) 5.29 现场方法( field method) ...
Certified reference-coal
煤炭化验方法/煤炭化验... ... 空气干燥煤样 Air-dried sample 标准煤样 Certified reference-coal 煤样制备 Sample preparation ...
standard coal samples
标准煤样,standar... ... ) reference materials 标准样品 ) standard coal samples 标准煤样 ) coal property standard 煤质标准 ...