×
单选题
400、如果在密闭空间使用溶剂,请确保工作区域有良好的空气流通。
A
You can not use sealant in enclosed space on condition that there is no good ventilation.
B
If you use solvent in a closed space,make sure that there is good airflow in the work area.
C
When using composite in confined space,make sure it has good ventilation.
答案解析
正确答案：B
解析：
解析:sealant 密封剂,密封胶; solvent 溶液;composite 合成物。
相关题目
单选题
923、螺旋桨调速器是通过螺旋桨轮毂上的螺距改变机构,通过增加或减少螺旋桨的螺距来调节发动机或螺旋桨转速的装置
单选题
922、This procedure includes the instructions to remove the constant speed drive .
单选题
921、Each item of Airplane Performance shall include a statement significant conditions associated with the data.
单选题
920、这个舱内有一些电子设备。
单选题
919、Indicated Airspeed is the speed of an aircraft as shown in the airspeed indicator when corrected for instrument error
单选题
918、确保氧气软管的线圈不要相互摩擦。
单选题
917、穿戴好面罩和防护服。
单选题
916、冷凝器将空调组件内空气的温度降低到露点以下,将水蒸气变成液体。
单选题
915、If the CONTNUE shows during the BITE test then do then instructions that show on the CDU display before you push the LSK that is adjacent to CONTINUE.
单选题
914、STE 句子使用被批准的单词,以不同的方式清楚地给出相同的信息。
