botton造句怎么写

The stilling basin base plate supports mainly the hydrodynamic load, the dead load and the uplift, its stable condition depends mainly on the hydrodynamic pressure, the uplift and the dead load in the base plate surface and the botton surface.

The construction of this machine is the form of three roller symmetry, The top roller, in the centre symmetry position over the two botton roller, does vertical motion up and down through screw, nut and worm transmission.

Containers of water are placed at the top and botton(bottom) of the cooler.

The utility model relates to a sliding frame mechanism of push-botton type Duo-Shi oven, which relates to a Duo-Shi oven, particularly a sliding frame lifting mechanism of the Duo-Shi oven.