1) water tightness
水密性
1.
By the dissecting of the guality in testing low level light commanding instrument C 2 group of chief artillermen, the defects in existing tightness testing method is analyzed, pointing out that the air tightness testing and the water tightness testing of optical products with special structure are not equivalent and can not be sub stituted.
通过对炮长微光指挥镜Ｃ２组试验中质量问题的解剖，分析了气密性检查方法的缺陷，特殊结构的光学产品气密性检查和水密性检查不能等效代替，并提出了改进产品的密封质量的措
3) water tightness
水密度,水密性
4) water tightness and gas tightness displacement
水密性及气密性
5) Watertightness
止水性、水密性
6) water side rigour
水侧严密性
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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