Advantages of the membrane system were easy operation, small footprint, no secondary waste...

膜系统操作简单，占地少，没有二次污染。

youdao

Good overall stability of the equipment, cost effective with less secondary waste after putting into operation.

设备的整体稳定性好，性价比高，投产后二次浪费少。

youdao

In addition after treatment these technologies generate large secondary waste streams that require expensive disposal.

而且用这些技术处理后产生的二次污染物，也需要花费不少来处理。

youdao

Another three companies will list today: Shandong Longquan Pipeline Engineering, a pipe manufacturer, AoKang Shoes, a footwear supplier whose boss Wang Zhentao is a former China Rich List member, and Dongjiang Environmental Company, a waste management company traded in Hong Kong that has arranged a secondary listing in Shenzhen.

FORBES: Lujiazui Breakfast: News And Views About China Stocks -- April 26