行政管理区域的全体公民、法人或者其他组织是卫生监督检查的对象。()
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卫生监督检查是实现卫生监督目的的必不可少的手段和方法。()
卫生监督是对公共卫生领域全部活动所进行的监督检查。()
柴油机是压燃式发动机。柴油机利用压缩热量来点燃燃料。(翻译)
Compared with the in-line pump, the DPA has the following advantages: self-lubricating, easy servicing, low cost of production and ______.
A a common single element
B fitted to more bigger engines.
C a more precision-built unit
D Both A and C