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| 矿坑中人行走道人行坑道，矿工专用的坑道; 大型设备供人进人清洗用进出口 | |||
| 进人道孔; 检査孔 (井) | |||
| 进人道; 人行走道 | |||
| 人行道或梯子格垂直或倾斜通道用于人穿行或通过梯子上坡的通道，其形式可以是小井或上升通道，目的是方便上坡。攀梯道也包括通风系统、水和压缩空气管道等 | |||
| 人孔 | |||
| 罐车人孔; 检修孔 | |||
| 井筒梯子格; 人行道; 进入道; 坑道里的人行走道 | |||
| manway: 43 phrases in 6 subjects |
| Bridge construction | 1 |
| Earth sciences | 1 |
| Mining | 1 |
| Oil / petroleum | 5 |
| Rail transport | 1 |
| Technology | 34 |
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