主渠道 main channel ; main route ; principal channel

雨水排放主渠 storm-water main drain

渠道主管 Channel Supervisor ; Head of channel

主排水渠 main drainage channel

主渠道和主阵地作用 key position and principal role

外资银行渠道主管 Head of foreign bank channel

分销渠道主管 Director of distribution channels ; Head of distribution channels

主要认知渠道 The main cognitive channels

明确主要渠道选择 Identifying Major Alternatives

大区教学渠道主管 ACS-Academic Channel Supervisor