测深管()
第1题:
A heavy,thick-walled tube,usually steel,used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a ______.
A.heavy-walled drill pipe
B.tool joint
C.down hole tool
D.drill collar
第2题:
Tonnage openings must be closed by means of ______.
A.Press board
B.Steel hatch boards
C.Steel plates
D.Wooden hatch boards
第3题:
第4题:
第5题:
Lower the anchor until it is clear of ()(锚链筒).
第6题:
锚链()
第7题:
RFC 3270 describes Differentiated Services (Diff-Serv) over Multi-Protocol Label Switching (MPLS)networks. Which model alters Differentiated Services (Diff-Serv) code points set in different DifferentiatedServices (Diff-Serv) domain?()
第8题:
Clean the ()(锚链管)!
第9题:
广义上的PE包括()。
第10题:
heavy-walled drill pipe
tool joint
down hole tool
drill collar
第11题:
mallet used when splicing wire rope
sharp pointed crow bar used to unlay wire rope
tapered steel pin used to separate wire rope
tapered wooden pin used when splicing heavy rope
第12题:
driving wooden plugs into the vents
closing the lids on the vents
plugging the scuppers
plugging the sounding pipes
第13题:
The opening in the deck beneath the anchor windlass that leads to the chain locker is the ______.
A.Hawse pipe
B.Fall pipe
C.Drop-pipe
D.Spill pipe
第14题:
The exhaust pipe must be gas tight throughout its entire length otherwise ______.
A.Bilge water may enter the exhaust pipe
B.Entry of air may cause vapor lock
C.Carbon monoxide may enter the interior of the vessel
D.The joint gaskets may be blown
第15题:
第16题:
第17题:
测深管()
第18题:
淡水注入管()
第19题:
饮用水注入管()
第20题:
First,clean the ()(锚链舱)!
第21题:
plastic packaging should be made more convenient
no alternative can be found to plastic packaging
too much plastic is wasted
shops should stop using plastic containers
第22题:
sounding pipe
steel pipe
plastic pipe
wooden pipe
第23题:
swivel
cathead spool
drawworks
stand pipe
第24题:
two-stories wooden house
wooden two-story house
two-story wooden house
wooden house two storied