| I | ridge |
|---|---|
| you | ridge |
| he/she/it | ridges |
| we | ridge |
| you | ridge |
| they | ridge |
| I | ridged |
|---|---|
| you | ridged |
| he/she/it | ridged |
| we | ridged |
| you | ridged |
| they | ridged |
| I | have | ridged |
|---|---|---|
| you | have | ridged |
| he/she/it | has | ridged |
| we | have | ridged |
| you | have | ridged |
| they | have | ridged |
| I | had | ridged |
|---|---|---|
| you | had | ridged |
| he/she/it | had | ridged |
| we | had | ridged |
| you | had | ridged |
| they | had | ridged |
单语范例（未经PONS编辑处理）
Upstream operations specialise in high-pressure well service pumps and related flow control equipment along with repairs, parts and service of pressure control and rotating equipment.
en.wikipedia.org These light gases have very high vapor pressure at ambient temperatures, and their storage requires either high-pressure compression or an extreme reduction of temperature.
en.wikipedia.org The synthesis clearly showed the potential of high-pressure applications for industrial purposes and stimulated growing interest in the field.
en.wikipedia.org The valve is used to control flow of cryogenic liquid oxygen to the engine in a high-pressure, low-temperature, high-vibration physical environment.
en.wikipedia.org Each set consisted of one high-pressure and one low-pressure turbine driving one propeller shaft.
en.wikipedia.org