9-6. The main mass transfer modes<br/>of solid state sintering are ( ). A: evaporation-condensation<br/>mass transfer B: diffusion<br/>mass transfer C: flow<br/>mass transfer D: solution-precipitation<br/>mass transfer
9-6. The main mass transfer modes<br/>of solid state sintering are ( ). A: evaporation-condensation<br/>mass transfer B: diffusion<br/>mass transfer C: flow<br/>mass transfer D: solution-precipitation<br/>mass transfer
The piston rings are manufactured with a diameter （） the bore of the cylinder.
The piston rings are manufactured with a diameter （） the bore of the cylinder.
This kind of glasses manufactured by experienced craftsmen ______ comfortably.
This kind of glasses manufactured by experienced craftsmen ______ comfortably.
This company has manufactured medicine for the last twenty years.
This company has manufactured medicine for the last twenty years.
The local economy depends (heavy) __________ on the exports of manufactured goods.
The local economy depends (heavy) __________ on the exports of manufactured goods.
Most electronic devices of this kind，（）manufactured for export，are tightly packed.
Most electronic devices of this kind，（）manufactured for export，are tightly packed.
Barbie is manufactured by the American toy-company Mattel. A: 正确 B: 错误
Barbie is manufactured by the American toy-company Mattel. A: 正确 B: 错误
中国大学MOOC: Barbie is manufactured by the American toy-company Mattel.
中国大学MOOC: Barbie is manufactured by the American toy-company Mattel.
Isupposethattheydonothaveaclearideawho________thestory. A: originated B: generated C: manufactured D: estimated
Isupposethattheydonothaveaclearideawho________thestory. A: originated B: generated C: manufactured D: estimated
The mass of a proton is ( )
The mass of a proton is ( )