Thursday, September 22, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
液压舵机系统中的油温超过()时,一般应停止工作,查明原因。...
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题在单机多库制冷装置中,用于控制高温库蒸发温度的元件是()。A 热力膨胀阀B 蒸发压力调节阀C 温度控制器D 低压控制器...
Saturday, October 21, 2023
Thursday, September 22, 2022
冷冻机油与液压油及其他设备的润滑油相比,最主要的特点是()。 ...
Thursday, September 22, 2022
关闭火场的门窗、舱盖、通风装置等空气通道,此法是:()...
Wednesday, September 21, 2022
某六缸四冲程柴油机发火顺序为1-5-3-6-2-4,第一缸与第六缸的曲柄夹角是(),工作循环相位差()。...
Monday, September 19, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
液压系统中闭式循环系统要优于开式循环系统,应用较为广泛。...
Saturday, September 17, 2022
某些船舶的海水系统在出海阀前设有温度调节阀,其目的是()。...
Friday, September 16, 2022
Wednesday, September 21, 2022
Saturday, September 17, 2022
锚机将单锚从三节锚链收至一节锚链的平均速度应不小于()m/min。...
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题空压机所设气液分离器主要是为分离排气中携带的()。A 滑油B 水分C 杂质D A+B...
Tuesday, March 28, 2023
系泊试验中对主机满负荷试验应在标定转速的()时,连续运转试验2小时。...
Thursday, September 22, 2022