- coal sample for laboratory
- 实验室: laboratory
- 煤: coal
- 样: appearance; shape
- 试验室煤样: laboratorial coal sample
- 实验室: laboratory◇实验室设备 laboratory equipment; 实验室试验 bench-scale experiment; 实验室仪表 laboratory instrument; 实验室助手 preparateur
关注微信公众号：chachacidian，回复:实验室煤样，即可在微信中查询翻译
