A complex, solid material, which contains two or more constituents, is ______
A.composite
B.metal
C.polymer
D.ceramic
- · 有5位网友选择 C,占比55.56%
- · 有2位网友选择 A,占比22.22%
- · 有2位网友选择 D,占比22.22%
A.composite
B.metal
C.polymer
D.ceramic
A、The industry is fragmented into customer groups based on needs.
B、Customer needs are primarily satisfied by the price of the product.
C、A company's cost structure needs to be reduced.
D、There is a demand for deep price discounts from powerful buyers.
E、The industry is not allowed to charge a premium price for its products.
A、Solidus
B、Liquidus
C、Cooling curve
D、Heating curve
A、continuous fibers
B、discontinuous fibers
C、short fibers
D、long fibers
A、Ec=EmVm+EfVf
B、1/Ec=1/(EmVm)+1/(EfVf )
C、1/Ec=Vm/Em+Vf/Ef
D、Ec=EmVm-EfVf
A、Surface etching.
B、Sizing
C、SiC coating
D、Polymer coating
A、Use carbon-carbon composite as power cables
B、Use carbon-carbon composites as insulators
C、Use carbon-carbon composites as monitors
D、Use carbon-carbon composites as sensors.
A、solid rods
B、hollow tubes
C、flat sheets
D、spherical vessels
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