Generally, the box cover lower surface is equipped with a round clamp slot corresponding with the box body opening, the box body opening end is clamped in the clamp slot;
通常所述盒盖的下表面设置与盒体的开口对应的环绕卡槽，所述盒体的开口端卡装在所述卡槽中；
The measuring cup is arranged at the lower end of the barrel cover and is marked with graduations.
量杯设置在桶盖的下端，量杯上标有刻度。
The upper nest is connected to the upper end of umbrella column; the middle and lower nests cover umbrella column.
上巢固定连接在伞柱的上端、中巢和下巢空套在伞柱上。
The impeller is arranged in an inner cavity formed by a pump cover and a pump body at the lower end of the pump shaft, and back blades are arranged on the impeller and are fastened by locking bolts;
在泵轴的下端，泵盖及泵体形成的内腔中设置有叶轮，叶轮上设有背叶片，并由锁紧螺钉紧固；
The cover is provided with a plurality of plug holes, the lower part of the plug holes are provided with chutes, and one end of the rotor is provided with trapezoid flaky blades.
罩壳上设有多个出料孔，该出料孔下部开有斜槽，所述的转子一端设有梯形片状桨叶。
The methane tank comprises a methane tank cover (1) and a tank body (2). The lower end of the methane tank cover (1) is in airtight connection with the top end of the tank body (2);
本发明包括沼气池盖（1）、池体（2），所述沼气池盖（1）的下端与池体（2）的顶端密闭连接；
The methane tank comprises a methane tank cover (1) and a tank body (2). The lower end of the methane tank cover (1) is in airtight connection with the top end of the tank body (2);
本发明包括沼气池盖（1）、池体（2），所述沼气池盖（1）的下端与池体（2）的顶端密闭连接；
应用推荐