机械设备清除钻井液中的固相含量，只能用振动筛和除砂器。
参考答案：错
解析：机械设备清除钻井液中的固相含量可用振动筛，旋流分离器、离心分离机。
青年成熟期发病型糖尿病(maturityonsetdiabetesoftheyoungMODY)
— Excuse me, could you tell me ______ a book about music?
— Sure. They are on the second floor. [ ]
A. where can I buy
B. where I can buy
C. when can I buy
D when I can buy
