题目内容 (请给出正确答案)
[主观题]

Centralized vacuum pump is divided into ()

A、Split type (franklin VP500)

B、No electric siphon type

C、Class ii blower type (OPW CVS2)

D、Piston type (domestic yongbang)

提问人:网友hulu_tang 发布时间:2022-01-06
参考答案
  抱歉!暂无答案,正在努力更新中……
如搜索结果不匹配,请 联系老师 获取答案
更多“Centralized vacuum pump is div…”相关的问题
第1题
A—Dealership Information B—Precision Instruments Tools

C—Milking Equipment D—Vacuum Pump

E—Milking Handle F—Reserved Tank

G—Parlor Pit H—Sanitation System

I—Waste Management J—Air Compressor

K—Installation Parlor Equipment L—Trouble Shooting

M—Circulation System N—Wiring Diagram

O—Water Gun Parts P—Operational Check or Individual Preparation

Q—Pulse System R—HTO Backflushing Installation

S—Tank Mounted Electrobrain T—Full Flow Secondary Drain

U—Automatic Door Control V—Feed System Component

51. ()挤奶设备 ()储奶罐

52. ()空气压缩机 ()排除故障

53. ()线路图 ()反向冲洗设备

54. ()废物管理 ()水枪

55. ()挤奶操作 ()自动门控制

点击查看答案
第2题
When machining helical cylindrical gear , additional motion to form spiral is ( ).

A、main motion

B、simple forming motion

C、compound forming motion

D、feed motion

点击查看答案
第3题
How to protect one from the Corona Virus
点击查看答案
第4题
Management of oil and gas recovery and use shall pay attention to the following situations ()

A、The rubber hose is crushed and dragged by vehicles

B、Installation and maintenance to avoid damage and distortion because there are many O rings

C、Intermediate effusion tank inspection

D、Lifting gun out of the word phenomenon - rubber tube leakage, need immediate maintenance

点击查看答案
第5题
Oil and gas recycling environmental protection detection basis of gas stations ()

A、GB20950 Standard for the discharge of atmospheric pollutants from oil storage tanks

B、GB20952 Standard for emission of air pollutants by petrol filling stations

C、HJ /T 431 Technical specifications for acceptance and testing of air pollution control projects of oil storage and gas stations

D、GB13271 Standard for discharge of atmospheric pollutants from boilers

点击查看答案
第6题
Test method of tightness :()

A、Inject nitrogen into the entire oil and gas recovery system

B、Pressurize to 500Pa

C、Measure the residual static pressure change in the system within five minutes with a closed tester

D、The test result shall not be lower than the limit value

点击查看答案
第7题
Oil and gas recovery methods include()

A、absorption method

B、adsorption method

C、condensation method

D、membrane separation method

点击查看答案
第8题
The GB20950 standard for the discharge of atmospheric pollutants from oil storage tanks stipulates that the oil storage tanks are required to store, send and receive gasoline ().

A、Limits on oil and gas emissions

B、Control technical requirements

C、Test methods

D、Prohibition of oil and gas emissions

点击查看答案
第9题
The recovery effect of oil and gas discharged from gas stations depends on ()

A、diameter and direction of underground oil and gas recovery pipeline

B、selection of quick joints

C、working performance of P/V valve

D、construction quality problem

E、staff education

点击查看答案
账号:
你好,尊敬的用户
复制账号
发送账号至手机
获取验证码
发送
温馨提示
该问题答案仅针对搜题卡用户开放,请点击购买搜题卡。
马上购买搜题卡
我已购买搜题卡, 登录账号 继续查看答案
重置密码
确认修改
欢迎分享答案

为鼓励登录用户提交答案,简答题每个月将会抽取一批参与作答的用户给予奖励,具体奖励活动请关注官方微信公众号:简答题

简答题官方微信公众号

警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

微信搜一搜
简答题
点击打开微信
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反简答题购买须知被冻结。您可在“简答题”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
微信搜一搜
简答题
点击打开微信