煤井

[méi jǐng]

n.colliery

汉英

n.	1. colliery

例句

释义:

全部全部,collierycolliery

类别:全部全部,口语口语,书面语书面语,标题标题,技术技术

来源:全部全部,字典字典,网络网络

难度:全部全部,简单简单,中等中等,难难

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1.

2.

Pre-evaluation of occupational hazards of a rebuilding project in a coal mine

某煤矿改扩建煤井项目职业病危害预评价

3.

Design and Implementation of Monitoring System for the Medium and Small Coal Mine

中小型煤井监控系统的设计与实现

4.

Development and application of air sealing device of coal silo and underground coal bin

储煤仓及漏煤井防漏风装置的研制及应用效果

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5.

granary , Meijing explosion-proof security basket ;

粮仓、煤井安检防爆吊篮；

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