... 水胶体印模材料 hydrocolloid impression material 水流冷却器 zero done 水平复位瓣 horizontally repositioned flap ...
双语例句
1
And there is no work done on the surroundings because pressure is zero.
这里系统没有对环境做功，因为压强是零。
2
Until deflationary Japan sees consumer prices rise between 0% and 2% (with an unofficial aim of 1%), the near-zero policy rate will remain (as it has done for ages).