清洗过滤器先甩掉过滤器周边连接油管,松开滤油器固定螺丝,打开滤油器盖子,取出滤芯并放入柴油煤油中浸洗。
参考答案:对
女,52岁。发现右 * * 内一肿块,无痛及压痛,无外伤史,要明确肿块性质,应选择哪项检查()
A.肿块切除活检
B.肿块穿刺活检
C.钼靶摄片
D.B型超声
E.近红外线扫描
He has got ______ money from his uncle. [ ]
A. a large amount of
B. loads of
C. a load of
D. all above