A、Reciprocating pumps
B、Rotary pumps
C、Centrifugal pumps
D、Gear pumps
更多“（） are more suitable for large quantities at low pressure.”相关的问题
A、A.equal to the chains they are connecting B、B.25% more than the chains they are connecting C、C.50% more than the chains they are connecting D、D.100% more than the chains they are connecting
A、Hydraulically operated pusher B、Spread beam sling C、Revolving roll clamping device D、Platform sling
A、cast iron has weakness B、cast iron can stand up shock loading C、cast iron fittings are only suitable in low pressure situation D、east iron fittings are not suitable in low pressure situation
A、Cold fronts are more violent and of shorter duration B、Cold fronts are milder and last longer C、They are very similar with the exception of wind direction D、Warm fronts are more violent and of longer duration
A、containers are classified as general purpose (dry cargo) container and specific purpose container B、general purpose container (GP) is suitable for the widest varieties of cargo C、specific purpose container is suitable for the specific cargo D、bulk container， reefer container， open-top container are all general purpose containers
A、containers are classified as general purpose (dry cargo) container and specific purpose container B、general purpose container (GP) is suitable for the widest varieties of cargo C、specific purpose container is suitable for the specific cargo D、bulk container， reefer container， open-top container are all general purpose containers
A、be more suitable for river and harbor navigation B、provide better range performance on low lying targets during good weather and calm seas C、have a wider horizontal beam width D、have more sea return during rough sea conditions
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