美国黄色一级电影,看黄a大片免费,欧美黄色一级在线,黄色黄色一级片

characteristic:

1.1 the motor is equipped with an automatic recovery temperature protector

1.2 heavy duty, direct drive powerful motor

1.3. Low noise

1.4 oil free design

1.5. High strength stainless steel airtight valve

1.6. High performance wear-resistant piston ring

1.7 anode aluminum alloy cylinder

1.8 low noise durable air pump and motor provide quiet work and long service life

1.9 moisture and dust prevention

2.0 heat resistant steel-clad yarn rubber tube, equipped with one-way valve and rotary joint

2.1 double layer filter, which can be installed remotely

2.2 equipped with shock-absorbing foot pads