所述的热交换管是直 管、弯管或盘管。
The heat-exchanger tube is a straight tube, a bent tube or a twisted tube.
这些结果表明，菜蛾盘绒茧蜂与半闭弯尾姬蜂在同一寄主中发育时，前者具有明显的竞争优势。
These results suggest that C. plutellae have an obvious advantage over D. semiclausum in competition when both parasitoids develop in the same host.
这些结果表明，菜蛾盘绒茧蜂与半闭弯尾姬蜂在同一寄主中发育时，前者具有明显的竞争优势。
These results suggest that C. plutellae have an obvious advantage over D. semiclausum in competition when both parasitoids develop in the same host.
应用推荐