1) a muzzle cover
枪口罩
2) muzzle protector
枪口保护罩
4) Respirator
[英]['respəreɪtə(r)] [美]['rɛspə'retɚ]
口罩
1.
Study on KZNJ-1 Respirator Efficiency Tester;
KZNJ-1型高效口罩效率检测装置的研制
2.
Abiological protective respirator with equal protection level of the half face mask;
一种达到面具防护水平的生物防护口罩
3.
A study on filtrating materials from super micro-fine fibre with electrets and protective respirators for SARS;
驻极超微细纤维高效滤材SARS防护口罩的研究
5) mask
[英][mɑ:sk] [美][mæsk]
口罩
1.
The structure and performances of the plane-type charge-modified virus-preventive mask;
平面型荷电防病毒口罩的结构及性能评价
2.
Advances in development and clinical application of the medical masks made of non-woven material;
非织造材料医用口罩的研制及临床应用进展
6) opening for oxygen core lance
氧枪口
补充资料：口罩
（～儿）卫生用品，用纱布等制成，罩在嘴和鼻子上，防止灰尘和病菌侵入。
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