off takes 的翻译? 资料上有关管线冲洗 If the problem of large bore pipes with reducers can be foreseen then by arrangement with construction, clean out the large pipe before the reducers are welded, subsequently blowing or flushing the smaller off-takes in the usual way. 请教off-takes 什么意思?谢谢 查看更多1个回答 . 4人已关注
HOLD BACK?此处如何翻译? Under these circumstances, the nitrogen purge is still operable, in order to hold back the slag pool in the gasifier until it has solidified. 查看更多6个回答 . 2人已关注