通过对设计过程的介绍，阐述了基于设计硬点和主断面的车门设计思路。
On the basis of design process introduction, the door design ideas based on hard points and principal sections are elaborated.
主轴承供油联锁系统常见的有油泵电机与主电机之间的“硬联锁”和供油压力与主电机之间的“软联锁”。
The common ones are "hard interlock" -between oil pump motor and main motor and "flexible interlock" -between oil supply pressure and main motor.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式，电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
产品是无机材料，主晶相是硬硅钙石，理化性能稳定。
The MFDJ calcium silicate boards are inorganic materials, the main crystal phase is the xonotlite, with excellent physical and chemical properties.
主tpy - 30型钻机是一种液压浅孔物探普查钻孔机，该机主要适用于土层，沙土层和中硬岩层中的钻进。
TPY-30 drilling machine is a type of shallow-hole drilling machine for exploration, it is suitable for drilling in soil, sand soil and medium harden rock drilling.
主tpy - 30型钻机是一种液压浅孔物探普查钻孔机，该机主要适用于土层，沙土层和中硬岩层中的钻进。
TPY-30 drilling machine is a type of shallow-hole drilling machine for exploration, it is suitable for drilling in soil, sand soil and medium harden rock drilling.
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