当网式液压过滤器作为进油过滤器时,进油管口离滤网底面的距离一般为过滤器的(),并且整个过滤器要全部浸入油面以下。
参考答案:三分之二
Uncle Wang gave all his savings to the Hope School _______ he himself was not rich.[ ]
A. because
B. as if
C. though
D. or
慢性肝炎
A.病程超过2周B.病程超过1个月C.病程超过2个月D.病程超过半年E.病程超过1年