卸压煤层气开采
relieved methane drainage
卸压影响范围
pressure released influence scope
心理压力源
Psychological pressure source
the sources of mental stress
stressors
心理压力源量表
Psychological stressor scale
心舒压
diastolic murmur pressure
diastolic pressure
心血管造影高压注射器
angiocardiography high pressure injector
卸压煤层
pressure released seam
pressure-relieved coal seams
锌基压印模合金
zinc-base stamping die alloy