annular casing pump是什么意思

网络释义

1)annular casing pump,圆壳式离心泵2)circular casing pump,圆壳式离心泵3)Longan shell,桂圆壳4)tube-rod,圆壳圆杆体5)ring rolling machine,圆壳滚轧机

The water-insoluble dietary fibre were extracted from Longan shell by chemical method.

采用化学法制备了桂圆壳水不溶性膳食纤维,产率为40。