皮皮学，免费搜题
登录
搜题
【多选题】
下列关于钻井法的说法，正确的是( )。A.
钻井法以钻头刀具破碎岩石，用泥浆或其他介质进行洗井、护壁和排渣
B.
钻井法只适用于含松散、不稳定的含水层的地层
C.
我国目前的立井钻井机最大钻井直径不超过8．0m
D.
我国目前的立井钻井机最大钻井深度小于700m
E.
钻井法在井筒钻至设计直径和深度后再进行永久支护
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】树脂(Resin)
【简答题】How far can the poisonous resin be shot?
【单选题】Which of the following is NOT mentioned as an ingredient of composite?
A.
Plastic.
B.
Resin.
C.
Glass.
D.
Steel.
【单选题】A zinc oxide-eugenol cement base is contraindicated for use with self-curing resin restorative materials because( )
A.
the compressive strength of the cement is too low
B.
cement interferes with the polymerization of the resin
C.
zinc oxide and Bis-GMA form. a soluble compound
D.
the cement increases the polymerization shrinkage of the resin
【单选题】Which of the following is mentioned as an ingredient of a composite?
A.
Oil.
B.
Resin.
C.
Glass.
D.
Steel.
相关题目：