黄油枪是用来给机械设备加注()的工具。
A、润滑油
B、润滑脂
C、燃油
D、液压油
参考答案:B
"少阴之为病,脉欲细,但欲寐"指何证的病机
A.脾气虚弱多寐
B.湿盛困脾多寐
C.阳气虚衰多寐
D.痰热扰心不寐
E.瘀血阻滞多寐
Most covered lifeboats will right themselves after capsizing if the().
A.passengers are strapped to their seats
B.fuel tanks are not less than half full
C.sea anchor is deployed to windward
D.lower ballast tanks are filled with water