它们靠卷尾在海草或珊瑚上来固定自身，用细长的吻部吸入浮游生物和漂游的小甲虫类。
They anchor themselves with their prehensile tails to sea grasses and corals, using their elongated snouts to suck in plankton and small crustaceans that drift by.
吸入染毒系统装有噪声小且质量可靠的真空泵，使通过箱体的空气流量可调，其最高可达1.67 CFM。
The system features a very quiet and reliable vacuum pump to provide adjustable flows through the tank of up to 1.67 CFM.
一种带延伸的吸入导管的小泵，用来从桶中泵出流体。
A small pump with an extended suction duct that is designed to pump fluid from barrels.
应用推荐