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（1） only is correct （2） only is correct both （1） and （2） are correct neither （1） or （2） are correct
double d = Mat cos(42)； double d = Mat cosine(42)； double d = Mat cos(Mat toRadians(42))； double d = Mat cos(Mat toDegrees(42))；
IΔ=50mATΔ=0 IΔ=75mATΔ=0 IΔ=100mATΔ=0 IΔ=200mATΔ=0 IΔ=500mATΔ=0
SAI=50mAT=0.2S I=75mAT=0.2S I=100mAT=0.2S 1=200mAT=0.15S I=500mAT=0.1S
they form such a large part of the Norwegian ideal their lives and values represent the Norwegian ideal their work is so useful to the rest of Norwegian society they regard oil as a threat to the Norwegian way of life
Except for Except Beside Apart from
fuel oil pump will over-speed if dirt is not removed fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil fuel injectors may be damaged by foreign particles in the fuel oil dirty fuel will clog the intake air filter
they form such a large part of the Norwegian ideal their lives and values represent the Norwegian ideal their work is so useful to the rest of Norwegian society they regard oil as a threat to the Norwegian way of life
an oil seal removing heat a gas seal cooling the piston
more television films are produced man-made lighting has completely taken the place of natural light few films are taken for the cinema oil production has become more important than the film industry
cetane number pour point viscosity temperature quality of the oil
have a high viscosity index mix readily with refrigerant have a high freezing point have a low pour point
both/and whether/or neitheror because/so
play a great part on run a role in plays an important part in acts as important part at
they form such a large part of Norwegian society their views of life and value agree with the Norwegian government’s Norwegians respect them as representatives(代表)of Norwegian culture they regard oil as harm to the Norwegian way of life
fuel oil pump will over-speed if dirt is not removed fuel oil transfer pumps cannot tolerate small amounts of grit in the oil fuel injectors may be damaged by foreign particles in the fuel oil dirty fuel will clog the intake air filter
Increased viscosity of the product needs higher loading pressure, which increasesthe chances of a spill Air pockets may cause the fuel to bubble out of the ullage hole The temperature rise of the fuel will cause an overflow Fueling valve may become stuck closed and cause the fuel oil to spill before the valvecan be opened
indicates the amount of abrasive material in the fuel affects the starting ability of a cold engine determines the amount of fuel penetration engine affects the compression ratio of an operating engine
more television films are produced man-made fighting has completely taken the place of natural light few films are taken for the cinema oil production has become more important than the film industry
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