电热平板压烫机
electrically heated flat bed press
单闸板平板闸阀
single disc flat gate valves
二维不可压平板边界层
incompressible wall boundary layer
平压压痕切线机
platen press type creasing and cutting machine
creasing and cutting machine
书壳压平机
case-straightening machine
书芯压平机
book smashing-and-compressing machine