This is accomplished by the use of full-length eductor tubes (dip tubes) and gooseneck eductor tubes (see Fig. 1).
这是通过使用放管(汲取管)和鹅颈放管(见图1)。
This is accomplished by the use of full-length eductor tubes (dip tubes) and gooseneck eductor tubes (see Fig. 1).
这是通过使用放管(汲取管)和鹅颈放管(见图1)。
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