pin (needle-plug) valve

• 针阀

英英释义

名词 pin:

1. a piece of jewelry that is pinned onto the wearer's garment

2. when a wrestler's shoulders are forced to the mat

3. small markers inserted into a surface to mark scores or define locations etc.

4. a number you choose and use to gain access to various accounts

5. informal terms for the leg

6. axis consisting of a short shaft that supports something that turns

7. cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown

8. flagpole used to mark the position of the hole on a golf green

9. a small slender (often pointed) piece of wood or metal used to support or fasten or attach things

10. a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing

11. a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target

动词 pin:

1. to hold fast or prevent from moving

2. attach or fasten with pins or as if with pins. "pin the blame on the innocent man"

3. pierce with a pin

4. immobilize a piece