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A.plastic
B.metal
C.wood
D.sand
答案
更多“The metal powder is compacted by placing in a closed()cavity under pressure in powder”相关的问题
第1题
A.economic
B.economical
第2题
Aluminum is found on earth mostly in the form. of______.
A．pure metal
B．bauxite
C．gold
D．liquid
第3题
(The metal) aluminum (has been) (first) isolated (early) in the nineteenth century.
A．The metal
B．has been
C．first
D．early
第4题
A. an equal amount of silver
B. an equal amount of gold
C. all the water in the jar now
D. the water that leaves the jar
第5题
A.Discontinuous chip
B.Discontinuous chip with BUE
C.Continuous chip
D.Continuous chip with BUE
第8题
A.to take place
B.to take over
C.take the place of
D.in place of
第9题
Last year Dull plc entered into a contract to buy a large consignment of metal from Era Ltd. Caz attended the board meeting that approved the contract and voted in favour of it, without revealing any link with Era Ltd.
Required:
Analyse the situation explaining any potential liability that Caz may have in relation to the sale of the metal to
Dull plc by Era Ltd.(10 marks)
第10题
This selection says that the first wheel may have been a ______ .
A．round piece of stone
B．heavy log
C．piece of metal
D．slice of log
第11题
A.采用高熔点、重金属作为基体
B.要比基体金属或合金的塑性与韧性差
C.要比基体金属或合金的工作温度高
D.要比基体金属或合金的弹性模量低
