最終更新日:2024/07/28
Bentonite is commonly used in drilling fluids for oil and gas wells.
正解を見る
Bentonite is commonly used in drilling fluids for oil and gas wells.
編集履歴(0)
Bentonite is commonly used in drilling fluids for oil and gas wells.
Bentonite is commonly used in drilling fluids for oil and gas wells.