- initial pressure drop
- 初: at the beginning of; in the ...
- 压: press; push down; hold down; ...
- 降: surrender; capitulate
- 初压: first pressing; initial pressure; initial rolling; preliminary pressure; virgin pressure
- 压降: dp; drop of pressure; fall of pressure; lapse; pressure difference; pressure differential; pressure drawdown; pressure drop;differential pressure; pressure fall; pressure loss; pressuredrop
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