It is a series of trade and cultural transmission routes.
它是一系列贸易和文化传播路线。
2
Therefore, there generate a series of interest transmission channels, or the above-mentioned interest chains.
所以，就会产生一系列的利益传导途径，也就是前面所提到的利益链条。
3
AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure, output torque, a double-acting and single acting.