Totally enclosed, non-ventilated, hermetically sealed submersible type.
全外壳、非风冷、全封闭潜水类型。
According to the requirement of the total diving number and the assumption of the distribution type, the fatigue load spectrum for the 7000m deep manned submersible is given.
根据设计任务书中规定的总的下潜次数要求，最后给出了我国目前正在研制的7000米载人潜水器耐压球壳的疲劳载荷谱。
Zhongyuan new type energy-saving submersible motors are developed for solving such problems as large energy consumption and high lifting costs during the production of the electric pump Wells.
为解决电潜泵井生产过程中能耗大、采油成本高等问题，研制出新型节能潜油电动机。
The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.
主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。
The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.
主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。
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