大量加工深孔工件，其工件直径在φ30，加工精度要求达到IT6，表面粗糙度Ra1.6MM，宜采用（）加工。
美国国家标准技术协会NIST发布的《SP800-30》中详细阐述了IT系统风险管理内容。
A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.
零件上孔径小于30mm的孔，精度要求为IT8，通常采用的加工方案为（）。
ZJl7卷接机组非PLC-IT80显示报表l30、133、134报告为（）报表。
The public store is to close at 9:30 p.m. （）no need to worry; it is just 7:30 p.m.
用尺长方程式为It=30-0.0024+0.0000125X30X（t-20℃）m的钢尺丈量某段距离，量得结果为121.4090m，丈量时温度为28℃，则温度改正为（）m。
In which country is it OK to arrive up to 30 minutes late for dinner?
Preparing for a speech is always a hard and effort-taking process. It at least takes 30 minutes.
It was about 30seconds before Alex ___From the water. We were quite scared.
根据本讲，班加罗尔拥有30多个（)的IT产业园。
听力原文：They should have finished this job before 6 o'clock, but for some unknown reason, it was not until 9:30 that they were through with it.
You should be relieving me of duty at 10: 30, but don't hurry if it's inconvenient; I'll hang on till you arrive.
听力原文：W: Can we make it a little later？ 7:30 at the gate of the park is too early. It takes half an hour for me to take the bus.
Man: Did you make a reservation on the 8: 00 flight for me？ Woman: I thought you wanted to take the 7: 30 one. Its too late to change now. Question: Whats the problem？
二级资质物业服务企业可以承接30万IT12以下的住宅项目和（）万㎡以下的非住宅项目的物业管理业务。
In Asia, the United States tried to contain the People’s Republic of China as well. The United States did not formally recognize the People's Republic of China (PRC) for 30 years after its founding.()
已知配合的基本尺寸为D=d=φ30min,要求最小间隙Xmin=＋0.020mm.最大间隙=＋0.055mm。则符合该要求的说法有（)。（IT6=13um,IT7=21um,es=－20um时代号为f)
Man: The train was supposed to arrive at 9 oclock. Woman: Nine oclock! But its already 9: 30. Question: What does the woman mean？
Suppose that a price of $30 per month, there are 30,000 subscribers to cable television in Small Town. If Small Town Cablevision raises its price to $40 per month, the number of subscribers will fall
It is known that among the four points A （30, 20, 15）, B （40, 20, 15）, C （30, 20, 10） and D （40, 10, 15）, Which two points have the same projection on the W-plane（）
Directions: The following is list of terms. After reading it, you are required to find the items equivalent ....... （相同） those given in Chinese in the table below. Then you should put the corresponding letters in the brackets numbered 26 through 30.
—Wait! I won't be able to make it.I have a dentist appointment at 3: 30 on Friday.
ABC purchased display shelves on March 1,2019 for $12,000. If this asset has an estimated useful life of five years and the company adjusts its account montly. At the the date of April 30th, 2019, the balance in Shelf account is $12000.()
