waste pitch的意思|示意

Please pitch your waste paper in here.

请把废纸扔在此地。

The possibility of the regeneration of waste pitch of impregnation process in carbon plant has been investigated.

对炭素厂浸渍后的废沥清再生的可能性进行了研究。

And then goes into a pitch about it, or wants to come to my office and waste my time in person. Almost all of the time, their pitches are way off target.

然后立刻开始推销，或者想到我的办公室，来浪费我的个人时间，几乎所有时间，他们的推销不着边际。