液化石油气C5及C5以上组分的含量应不大于()
A.0.5%(V/V)
B.1.5%(V/V)
C.3.0%(V/V)
D.5.0%(V/V)
- · 有6位网友选择 B,占比60%
- · 有2位网友选择 D,占比20%
- · 有2位网友选择 C,占比20%
A.0.5%(V/V)
B.1.5%(V/V)
C.3.0%(V/V)
D.5.0%(V/V)
A.5,2
B.-5,-2
C.-5,-12
D.5,-2
A.5,2,3
B.-5,-12,-7
C.-5,-12,-17
D.5,-2,-7
B.the visibility limit of the red sector of Cape Henry Light
C.a submerged obstruction in York Spit Channel
D.the York River Entrance Channel
B.肠伤寒
C.肠阿米巴病
D.Crohn病
E.小肠黏膜相关淋巴瘤
B.左侧小脑幕切迹疝
C.急性枕骨大孔疝
D.慢性小脑扁桃疝
E.只有A、B不正确
B.equipped with a fog diaphone
C.lighted 24 hours
D.is 79 feet (24 meters) high
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