抽取器由一根塑料管子与泵相连。
The extractor is connected to the pump by a plastic line.
youdao
这是一根二十米长的塑料管子。
This is a 20-metre-long plastic pipe.
一个柔软的塑料管子通过外科手术放入你腹部。
A soft plastic tube is put into the abdomen by a surgeon.
他拿出一根长塑料管，把一些东西装进管子的一头。
He took a long plastic pipe and fitted something into one end.
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