C,. Incomplete fusion prevent adopting greater welding current, use correctly to weld the cleaning of operating, notice groove position.

未熔合的防止采用较大的焊接电流，正确地进行施焊操作，注意坡口部位的清洁。

youdao

Knowledge concerning all the processes operating in land treatment facilities is incomplete.

关于土地处理设备的所有操作步骤的信息并不完整。

youdao

Nokia could go it alone with MeeGo, a technically advanced but still incomplete operating system it is developing jointly with Intel, but some think that is unlikely.

ECONOMIST: Nokia at the crossroads: Blazing platforms | The

But we will be operating in a world that is incomplete and prone to failure.

FORBES: Innovation: W. Edwards Deming and John Keats Got It Right