您可以在腹压增大之前和正在增加的时候收缩盆底肌，比如喷嚏、咳嗽、大笑或举重等情况下。
You might also contract your pelvic floor muscles just before and during any activity that puts pressure on your abdomen, such as sneezing, coughing, laughing or heavy lifting.
尤其是使腹压增加的劳动。
Especially causes the work which the abdomen pressure increases.
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