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单词 riser
释义 riser
[`rīz·ǝr]
CHEMICAL ENGINEERING
That portion of a bubble-cap assembly in a distillation tower that channels the rising vapor and causes it to flow downward to pass through the liquid held on the bubble plate.
CIVIL ENGINEERING
1. A board placed vertically beneath the tread of a step in a staircase.
2. A vertical steam, water, or gas pipe.
GEOLOGY
A steplike topographic feature, such as a steep slope between terraces.
METALLURGY
See <<feedhead>>
PETROLEUM ENGINEERING
In an offshore drilling facility, a system of piping extending from the hole and terminating at the rig.
TEXTILES
A raised spot in a weaving pattern where the warp traverses the weft or the filling.
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