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摇枕挡 | |
railw. | bolster stop; column guide; column guide; bolster guide |
间隙 | |
hydroel.st. | gap; clearance |
met. | clearance space; clear opening; gapping |
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bolster stop; column guide; bolster guide | |||
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column guide |
摇枕挡 : 3 phrases in 1 subject |
Rail transport | 3 |