high-pressure steam-driven air-ejector
motor-driven vacuum pump
water-motivated air eductor
centrifuge pump
第1题:
Which of the followings are located in Sichuan Province?
A. Emei Mountain
B. Leshan Buddha
C. Dazu Stone Carvings
D. Fengjie County
第2题:
Which of the followings are included in Jinling Hotel?
A. Chinese Restaurant
B. Korean Restaurant
C. Japanese Restaurant
D. Western Restaurant
第3题:
A.rings
B.necklace
C.socks
D.shoes
E.towel
第4题:
A、snow wear
B、chalk
C、crayon
D、jackets
第5题:
Which one of the followings is incorrect about magnetic compass?______.
A.The magentic compass is compulsory on my vessel
B.The magentic compass is prone to error
C.The magentic compass is always placed inside steel constructions
D.The magentic compass needs to be calibrated to compensate for local magnetic distortion
第6题:
Which of the followings are typical food in Italy?
A. curry beef
B. pasta
C. spaghetti
D. macaroni
第7题:
Which one of the followings is not a right way to behave during mooring unmooring operation?—_______.
A.Stay close to the towline at all time
B.Beware the bights
C.When operating the winch/windlass,ensure that yourself understand the controls
D.When the tug is being secured or let go, monitor the operation closely
第8题:
Which of the followings is not included in the "Four Treasure of Study"
A. ink stick
B. envelope
C. ink slab
D. paper
第9题:
A. SELECT
B. DELETE
C. EXECUTE
D. ALTER TABLE
E. CREATE TABLE
第10题:
A.PAT
B.NAT
C.Multicast
D.Subnetting