3159. 一个控制杆控制活门的位置。

204. An “emergency” however, almost always involves a failure that requires immediate and rapid response, such as a total powerplant failure, fire or smoke, or rapid cabin decompression

203. In dictionary the approved adjectives are given in their basic form, with their comparative and superlative forms in parentheses where applicable

202. 确保工作区域有足够的空气流通。

201. 溶剂会对油漆造成损坏。

200. 不要给出含糊、概括的信息。

199. Adjust the potentiometer until you do not hear a hum from the loudspeaker

198. A written sign that identifies a quantity, operation, item, or condition

197. Each chapter,including the introduction section to the manual,shall be marked with a plasticized tab divider

196. 1毫米的值是可以接受的。

195. That continues to be the same, without change