1) semi-liquid hermetic meter
半液封水表
1.
Variations of the errors before and after freezing on water hermetic meter and semi-liquid hermetic meter were investigated.
研究了水封水表和半液封水表在冰冻前后其误差的变化。
2) liquid seal
水封，液封
3) water hermetic meter
水封水表
1.
Variations of the errors before and after freezing on water hermetic meter and semi-liquid hermetic meter were investigated.
研究了水封水表和半液封水表在冰冻前后其误差的变化。
4) pure water seal
纯水液封
5) water sealed gas meter
水封气表
6) semi-(en)closed waters
半封闭水域
补充资料：水封
1.水葬。 2.内贮水以隔绝气体的装置。卫生用具上的存水弯是最常见的水封。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条