Colored circles on the map denoted kidney dialysis machines, oxygen generating units, iron lungs and similar apparatus . 圖面上彩色的圓圈表示腎透析機(jī),氧氣發(fā)生器,鐵肺以及諸如此類的裝置。
Respiratory protective devices - self - contained closed - circuit breathing apparatus - part 4 : chemical oxygen generating type for work and rescue ; requirements , testing , marking 呼吸保護(hù)器.自閉路呼吸裝置.第2部分:工作和救生用化
Respiratory protective devices - self - contained closed - circuit breathing apparatus - part 2 : chemical oxygen generating type for work and rescue ; requirements , testing , marking 呼吸保護(hù)器.自閉路呼吸裝置.第2部分:工作和救生用化
A single chemical reaction between hydrogen and oxygen generates energy , which can be used to power a car - - producing only water , not exhaust fumes 氫氧之間的單一一次化學(xué)反應(yīng)就能產(chǎn)生能量,這種能量可用于驅(qū)動(dòng)汽車-它產(chǎn)生的只是水而不是廢氣。
Respiratory protective devices - self - contained closed - circuit breathing apparatus - part 1 : short duration - chemical oxygen generating type for moderate work rates ; requirements , testing , marking 呼吸保護(hù)器.自閉路呼吸裝置.第1部分:適度工作用短時(shí)
Respiratory protective devices - self - contained closed - circuit breathing apparatus - part 3 : short duration , chemical oxygen generating type for moderate work rates ; requirements , testing , marking 呼吸保護(hù)器.自閉路呼吸裝置.第3部分:適度工作用短時(shí)