zerk
zerk /zɝk/ nghĩa là núm tra mỡ, núm bơm mỡ
Các nghĩa
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núm tra mỡ, núm bơm mỡ
Any of a class of types of grease nipples, or an instance thereof; (usually, in current usage) any grease nipple.
Figure 14.12 Wipe off the end of a zerk fitting before attaching the grease gun.
Dạng khác
- zerks plural