说明X线管连续负荷能力的指标是
A、阳极热容量A
暂无解析
Iaskedhimto________meafewminutessothatwecouldgooveralltheproblems.
Fromtheviewpointofwordformation,theword“smog”isa______.
WhichofthefollowingisNOToneoftheextra-linguisticfactorsthatcausechangesinmeaning?
Itisnotdecided________theconferencewillbeheld.
Unlikehiscontemporariesintheearly20thcentury,()didnotbreakupwiththepoetictraditionnormadeanyexperimentonform.