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noun | verb | to phrases
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| 隧道插板; 挡土木板 (桩); 超前支护〔支架〕; 板桩支架前部支撑 | |||
| 超前支架; 护坡桩支撑 | |||
| 隧道矢板; advance timbering 超前支护在松软或破碎带，为了防止岩石冒落，超前于掘进工作面进行的支护 | |||
| 超前支撑掘进 | |||
| 插板支撑; 预支掘进; 矢板; 挡土木桩; 挡土板桩; 搭接插板挡士法; 超前伸梁掘进法; 插板法 | |||
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| 开挖前先打挡土木桩 (成挡板) | |||
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forepoling bolt : 10 phrases in 2 subjects |
| Hydroelectric power stations | 3 |
| Technology | 7 |
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