The first through hole (102) and the second through hole (201) form an integral through hole (400).

The intermediate plate (45) has an air supply through-hole (452a), an air discharge through-hole (452b), a hydrogen supply through-hole (454a), and a hydrogen discharge through-hole (454b).

The reflector (15) has a through hole.

The outer support member (26) and the inner support member (21) respectively have an outer through-hole (27) and an inner through-hole (23).

The base(1) has a penetrating hole(11).

The small hole is a through hole and the large hole is a blind hole, the axis directions of the two holes are the same.

Provided are a plated through hole, a printed circuit board (PCB), and a method for manufacturing the plated through hole.

A through hole is defined in one of the disks, wherein the through hole defines a longitudinal hole axis and extends to the sealing band receiving slot in the disk.

A small through hole is formed in the inner side of the center of the holder and a big through hole is formed in the outer side of the center of the holder, thus forming two-stage through hole integrally.

The case includes a wall defining a through-hole.

The invention also concerns a method for shearing an elongated member arranged in a through bore of a gate valve arrangement and closing the through bore.

There is a through-hole (3) in the gearbox cover (1).

Formed in the driver circuit substrate is a through-hole arranged on the side opposite the transformer so as to sandwich the driver circuit therebetween.

The pretension plate has at least one through hole.

A round through hole is disposed at the bottom of the first cylinder (21).