沾染contamination
沾染contamination
相关考题：
The outside resources of contamination in SSIS (Surgical Site Infections) include ( ) . A、Patients’ own normal floraB、surgical personnelC、surgical instrumentsD、air
Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and ______.A.fluid frictionB.fluid turbulenceC.component misalignmentD.pressure surges
Which can be prevented only by segregating two lots of cargo into separate holds?A.Contamination of dry cargo by a wet cargoB.Contamination of a clean cargo by a dirty cargoC.Contamination of a food cargo by an odorous cargoD.Overcarriage，overstowage，and short landing
核武器具有那五种杀伤破坏因素？（）A、光辐射、闪光、蘑菇云、核电磁脉冲和放射性沾染。B、光辐射、冲击波、早期核辐射、核电磁脉冲和放射性沾染。C、光辐射、闪光、蘑菇云、尘柱和放射性沾染。D、闪光、蘑菇云、核电磁脉冲、放射性沾染和尘柱。
单选题Diesel engine fuel oil contamination often results in （）Agovernor malfunctionsBfuel injection system malfunctionsChigh cylinder lube oil temperaturesDlow intake temperatures
单选题Under normal conditions, the main source of crankcase oil contamination is attributed to （）Ametal particles loosened by wearBair when air cleaners are not usedCcondensation of water vaporsDbreakdown of the lubricating oil by dilution
单选题The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by （）AdirtBfuel oilCgovernor cooling waterDfuel oil tars
单选题A separate piston cooling system is used to limit any contamination （） piston cooling glands（） the piston cooling system only.Abetween；toBeither；orCfrom；toDneither；nor
单选题核武器具有哪五种杀伤破坏因素？（）A光辐射、闪光、蘑菇云、核电磁脉冲和放射性沾染。B光辐射、冲击波、早期核辐射、核电磁脉冲和放射性沾染。C光辐射、闪光、蘑菇云、尘柱和放射性沾染。D闪光、蘑菇云、核电磁脉冲、放射性沾染和尘柱。
单选题Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and （）.Afluid frictionBfluid turbulenceCcomponent misalignmentDpressure surges
单选题The air required for combustion is taken from the engine room through a filter fitted on the turbochargerThis reduces the risk for too and contamination of the combustion air（）Ahigh temperaturesBlow temperaturesCwetDdirty
名词解释题混染作用（contamination）