基本释义
相关例句
runnel
1.They used waterproof cement to prevent water from seeping through the roof of the runnel.
2.Ancient girders creak and groan, ropes tighten and then a trickle of oil oozes down a stone runnel into a used petrol can.
3.In accordance with the key study on the twin-bore tunnel of soft-weak surrounding rocks in different initial stress, six physical runnel models with three lateral-compression coefficient (viz 0.5,1.0&1.5) are set up to study the mechanical characteristics of tunnels in the dissertation.