emergency ventilation shaft 事故通风井
emergency gate shaft 事故门井
ventilation shaft emergency stairs 通风井太平梯
emergency exits in shaft 井道紧急出口
Finding involved inadequate corrective actions to prevent repeat failure of the number nine main crank shaft bearing on emergency diesel generator number one.
发现物涉及到不充分的，纠正措施，用来避免重复的失效，那是关于，9号大曲柄轴，在第一号柴油机。
But emergency crews who unblocked the shaft said they had left a ladder at the site for other miners to use if they decide to leave overnight.
但是打通矿井的紧急救援人员说，他们在井口留下一个梯子，如果矿工决定夜间离开，他们可以使用这个梯子。
The shaft seal leakage, judgement and emergency measures of the final polycondensation reactor was introduced.
介绍了终缩聚反应器轴封泄漏的现象、判断和应急措施。
应用推荐