首页/ 题库 / [多选题]周期来压的主要表现形式有()。的答案

周期来压的主要表现形式有()。

多选题
2021-09-03 16:51
A、顶板下沉速度急剧增加,顶板的下沉量变大
B、支柱所受的载荷普遍增加
C、引起煤壁片帮、支柱折损
D、引起顶板发生台阶下沉
查看答案

正确答案
A@#@B@#@C@#@D

试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

预防周期来压造成的事故,主要是准确地判断周期来压的预兆,及时采取加强支护措施。()
矿山压力控制的目的是为了把矿山压力显现控制在()
周期来压的主要表现形式有()。
周期来压的矿压显现有
周期来压的主要表现形式是()。
周期来压的表现形式有()。
当采面顶板周期来压时有哪些主要表现形式?
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
输出继电器(OR)通过一对()触点将PLC的控制信号传递给负载。
广告位招租WX:84302438

免费的网站请分享给朋友吧