蜗壳埋设方式
embedding manner of spiral case
蜗壳流场
Scroll’s flow field
volute fluid flowing field
蜗壳进口压力
casing inlet pressure
spiral case inlet pressure
蜗壳结构形式
structure type of spiral case
蜗壳焊接及探伤
scroll case welding and detecting flaw
蜗壳焊缝检测
spiral case welding detection
蜗壳导流板
guide plate of spiral case
蜗壳式出水流道
Volute-type discharge passage