shell-and-tube英'ʃel'ændtj'uːb美'ʃel'ændtj'uːbCOCA²³⁹⁶⁹⁰ 基本例句 n.壳和管¹⁰⁰ In the design of shell-and-tube heat exchanger, we take transverse convex tube instead of smooth tube and hollow ring instead of baffle. 在换热器设计中,采用横纹管取代光管、用空心环代替折流板支承,获得了良好的效果。 cnki