The fuel tank is communicated with the atmosphere, has the seal volume, the seal volume can alternately change,
Hydraulic pump by the pump body, rectangular fuel tank, pressure, ultra-high pressure wire braided hose Four parts, the joint has straight-through, self-made, quick connector three types of
the pump installation is good or bad, the smooth operation of the pump and service life has a very important impact,
Fuel injection pump oil and pressure oil, by plunger in the plunger sleeve in the reciprocating movement to complete.
Plunger and plunger sleeve is a very sophisticated processing of matching pieces.
Pump is a lightweight and compact pump, there are straight-line, distribution and monomer type three categories.
Toothbrush handle commonly used two times injection molding process will be thermoplastic resin coated with a layer of elastomer.
The way to use the toothbrush correctly is
The choice of bristles should be soft and hard moderate, or slightly softer. But note that too soft brush hair is easy to brush not clean.
The shape of the brush head is generally square and diamond type.
A toothbrush is a cleaning product, a handle-type brush, used to add toothpaste to the brush, and then repeatedly scrub the teeth in various parts.