大约95%的不吸烟者和84%的吸烟者也同意“婴幼儿因吸入父母烟灰缸烟味而致病”的论断。
Some 95 percent of nonsmokers and 84 percent of smokers agreed with the statement that “inhaling smoke from a parent’s cigarette can harm the health of infants and children.”
液力端主要由液缸、吸入、排出阀总成、吸入、排出弹簧、吸入管、柱塞、盘根、安全阀、稳压器等部件组成。
Fluid end consists mainly of module, suction and discharge valve assembly, suction and discharge spring, suction and discharge pipe, plunger, packing, safety valve and pressure regulator, etc.
对于三缸低波动往复泵，理论上应使三个活塞在排出行程（吸入行程）中的速度之和为一常数，采用凸轮机构能达到这一目的。
Theoretically the sum of the velocities of the three pistons on the discharge stroke in a low-fluctuation triplex pump should be a constant, and this can be achieved by means of the cam mechanism.
大约95%的不吸烟者和84%的吸烟者也同意“婴幼儿因吸入父母烟灰缸烟味而致病”的论断。
Some 95 percent of nonsmokers and 84 percent of smokers agreed with the statement that "inhaling smoke from a parent's cigarette can harm the health of infants and children."
泵的置有吸入阀和排出阀、泵缸、缸套和拉杆的一侧。
The side of a pump where the suction and discharge valves, pump cylinders, liners, and rods are located.
一对相互啮合的齿轮和泵缸把吸入腔和排出腔隔开。
A pair meshes mutually the gear and the fluid cylinder and discharge the suction chamber the cavity to separate.
一对相互啮合的齿轮和泵缸把吸入腔和排出腔隔开。
A pair meshes mutually the gear and the fluid cylinder and discharge the suction chamber the cavity to separate.
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