导流槽是卫星发射场的重要组成部分。
Guiding gutter is important component part of launching site.
原来，是毒液的粘性使其滞留在导流槽里的。
Turns out that the venom’s viscosity keeps it nestled in the groove.
在下游动阀罩下部连接有引鞋， 引鞋上开有导流通孔和导流槽。
The lower part of the lower traveling valve is connected to a guide shoe with diversion hole and diversion trench.
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