①②③④
①②④
②③④
①②③
第1题:
penetration
permanence
turbulence
atomization
第2题:
current in the circuit
voltage in the circuit
inductance in the circuit
resistance in the circuit
第3题:
截止阀,截止阀
截止阀,截止止回阀
截止止回阀,截止止回阀
截止止回阀,截止阀
第4题:
four-stroke
two-stroke
slow speed
reversible
第5题:
相同/相同
相同/不同
不同/相同
不同/不同
第6题:
(1) only is correct
(2) only is correct
both (1) and (2) are correct
Neither (1) or (2) are correct
第7题:
from a submarine on the surface
the light at Southeast Point
at an airport
on a coastal patrol vessel
第8题:
①~③
①~④
②~④
①③④
第9题:
液态
固态
过冷态
饱和态
第10题:
快
断开
慢
A/B