| 摘要 |
A laboratory pipet has a pipe member with a first end through which a liquid is taken into and discharged from the pipe member, and a second opposite end provided with an elastic flat diaphragm formed so that by depressing and releasing the diaphragm with the first end immersed into a liquid the liquid can be drawn into the pipe member, and by subsequent depressing the diaphragm the liquid can be discharged from the pipe member.
|
