| 121 |
B |
bubble |
Make sure that air bubbles do not show.
Gas bubbles in your blood can kill you.
|
n.[C]气泡; vi.沸腾,冒泡 |
|
| 122 |
B |
bulb |
A temperature bulb is included in the auxiliary generator.
|
n.[C]灯泡 |
|
| 123 |
C |
bulk |
Make sure that the bulk door is opened.
|
n.[C][U]散装货物 |
|
| 124 |
B |
bulkhead |
The pressure bulkheads and the fuselage skin make the basic pressurized zone.
|
n.隔框、隔舱板 |
|
| 125 |
C |
bulkhead |
The pressure bulkheads and the fuselage skin make the basic pressurized zone.
|
n.隔框、隔舱板 |
|
| 126 |
B |
bundle |
Make sure that the electrical bundle is in the correct condition.
|
n.[C]线束; vt.捆紮 |
|