msa型防毒面具的英文

• msa all-service gas mask

• 型:    mould; model
• 防毒面具:    gas mask
• 罐型防毒面具:    canister respirator
• 筒型防毒面具:    cartridge type respirator
• 防毒面具:    a gas mask; all service gas mask; all-service gas mask; breathing mask; canister re irator; canister respirator; dust respirator; face mask; gas helmet; gas-helmet; gasproof mask; protective mask; smoke helmet; smoke mask; smokehelmet; smoking helmet