We want to buy Nozzles, Hoses, Coupling and Flexible Expansion Joints Bellows and Expansion Joints.
我们要采购喷嘴，水管，联结和有柔性的扩充连接风箱。
2
It will highlight progress in membrane fusion, fission and budding mechanisms as well as the recent expansion of endocytic pathways and their coupling to signaling.
这将突出膜融合，裂变和出芽机制的进展，以及近期的扩展内吞途径及其耦合信号。
3
Moreover, the expansion ratio of scale factor and the variation ratio of string coupling constant are calculated.