()是设备工程质量形成的重要组成部分,且是设备工程项目建设的物质基础。
A.生产调修
B.设备采购
C.设备设计
D.设备安检
参考答案:B
Is this the reason ________ at the meeting for his carelessness in his work?[ ]
A.he explained
B.what he explained
C.how he explained
D.why he explained
栓剂水溶性基质为()
A.半合成脂肪酸甘油酯
B.凡士林
C.月桂硫酸钠
D.泊洛沙姆
E.吐温61