screw thread造句

there has no screw thread on the installation hole on head of water-cooling. It's difficult to install it by the screw tap which along the products.

It is about the ring screw thread smoke channel of the boiler shell type gas tube in the boiler field.

The sensor shall be mounted on object surface, by fixation of screw thread or flange, and ensure firm contact with the equipment surface.

Production costs born by Party B: Party B shall bear the extrusion nozzle mould cost 3000 Yuan，and the cost of plastics screw thread of 4000 Yuan.

When removing the positioning form, lift it up horizontally to avoid hurting screw threads of anchor bolts.

Muscles control how much the leg can turn on the screw threads, the researchers report online today in Science.