【求助】大家帮我看看这句审稿意见什么意思吧？

　　【求助】大家帮我看看这句审稿意见什么意思吧？。Why the authors preferred to use damaging materials to your formation such as Bentonite, Barite….what about CaCO3 (bridging and weighting material) and Xanthan Gum polymers (viscosifier). A thorough review about the recommended chemicals for drilling the pay zones is highly required.
这到底只是要求对推荐的CaCO3 和Xanthan Gum 写一个文献调研呢还是要包括很多其他的化学处理剂？
===有问必答===
他说你用的材料太贵了，考虑一下他说的两个


----
A thorough review about the recommended chemicals for drilling the pay zones is highly required. 这句话该怎么理解呢
----

彻底复查用于产油层钻孔的化学物品是很有必要的。


----

所以，这编辑的意思到底只是要求对他推荐的CaCO3 和Xanthan Gum 写一个文献调研呢还是要包括很多其他的化学处理剂呢？