短語(yǔ)詞組短語(yǔ)approach h channel 駛?cè)氩吹貢r(shí)的航道approach spillway channel 岸邊溢洪道ship lock approach channel 船牐引航道downstream approach channel 下遊航道lower approach channel 下引航道intake with approach channel 引渠式取水range approach channel 導(dǎo)航進(jìn)場(chǎng)波道yangon river approach channel 仰光河航道 返回 approach channel